diff --git a/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.pdf.txt b/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.pdf.txt
new file mode 100644
index 0000000..3c6e2c8
--- /dev/null
+++ b/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.pdf.txt	
@@ -0,0 +1 @@
+https://bammey.com/research/polar/
diff --git a/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.xopp.xml b/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.xopp.xml
new file mode 100644
index 0000000..f8f776e
--- /dev/null
+++ b/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.xopp.xml	
@@ -0,0 +1,68 @@
+<?xml version="1.0" standalone="no"?>
+<xournal creator="Xournal++ 1.1.3" fileversion="4">
+  <title>Xournal++ document - see https://github.com/xournalpp/xournalpp</title>
+  <page width="596.00000000" height="842.00000000">
+    <background type="pdf" domain="absolute" filename="/home/benjamin/Desktop/bens_folder/school/ens/asp/aria/internship/work/articles/Positional Learning Quentin Bammey/Positional Learning Quentin Bammey.pdf" pageno="1"/>
+    <layer>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">145.28812179 232.85203924 190.65558331 232.85203924</stroke>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">373.42255741 232.13011019 405.83713891 232.13011019</stroke>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">54.17760247 379.87537539 100.95766579 379.87537539</stroke>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">310.44709403 379.61179459 349.98117326 379.61179459</stroke>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">83.57968051 411.56928942 161.38534344 411.56928942</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">175.78703703 412.60446463 260.42027211 412.60446463</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">307.04718597 413.08319255 442.32202154 413.08319255</stroke>
+      <text font="Sans" size="11.00000000" x="333.74119395" y="398.57997951" color="#00c0ffff" ts="0" fn="">not identical?</text>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">459.97445345 412.75459768 502.48270820 412.75459768</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">53.05489228 424.70114629 93.67506940 424.70114629</stroke>
+      <stroke tool="pen" ts="0" fn="" color="#00c0ffff" width="1.41000000" fill="255">165.34484124 429.01701184 450.69514457 429.01701184</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.81353726 452.92426399 486.52827774 452.92426399</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">90.31110964 466.08151254 217.28838617 466.08151254</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">291.69268543 489.43960329 511.21937121 489.43960329</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">100.06806168 488.76981245 273.31862473 488.76981245</stroke>
+      <stroke tool="pen" ts="0" fn="" color="#00c0ffff" width="1.41000000" fill="255">60.61756733 508.43623715 160.25728046 508.43623715</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">351.28044012 502.86479091 531.84965537 502.86479091</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">54.98792867 516.55238450 81.06346923 518.32963156</stroke>
+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">206.68748000 537.79333970 294.65267874 537.79333970</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">347.13651793 538.08649991 536.30000376 538.08649991</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.46731033 552.20719218 103.66499002 552.20719218</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">130.62454213 552.29462294 175.09228590 552.29462294</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">209.61008133 552.13018338 489.07510070 552.13018338</stroke>
+      <text font="Sans" size="11.00000000" x="132.46727699" y="569.96343599" color="#ff00ffff" ts="0" fn="">to do</text>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">56.85522146 566.42054514 163.68781229 566.42054514</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">262.03579052 566.40682605 319.45270877 566.40682605</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">80.42311569 602.49289436 144.40783466 602.49289436</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">210.56829512 602.08147335 346.63466042 602.08147335</stroke>
+      <stroke tool="pen" ts="0" fn="" color="#00c0ffff" width="1.41000000" fill="255">357.64962094 610.26331694 527.17602452 610.26331694</stroke>
+      <stroke tool="pen" ts="0" fn="" color="#00c0ffff" width="1.41000000" fill="255">55.48288642 622.39263828 277.15180391 622.39263828</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">282.36977006 616.80216723 327.87157725 616.80216723</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">340.46957230 617.57170568 383.63243449 615.87548460</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">402.19098607 616.06262508 426.39043100 616.06262508</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">500.02721382 617.58144547 511.22539951 616.74996270</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">56.56901554 631.54465248 82.60996398 631.54465248</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">122.14351254 631.01343580 159.53641679 631.01343580</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">187.91647206 631.10603963 533.58299899 631.10603963</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">54.55645013 647.21838708 155.15229465 647.21838708</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">53.91351952 665.40815293 184.63373123 665.40815293</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">249.72908745 667.14973795 333.71201222 667.14973795</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">418.89711985 667.47556626 525.39096941 667.47556626</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.80878105 681.53800926 511.89742566 681.53800926</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">114.06130288 695.16360167 300.02448611 695.16360167</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">447.43221413 717.51248682 522.33392990 717.51248682</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.25313909 730.70731128 225.05883444 730.70731128</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">395.58645849 730.18602387 524.35143064 730.18602387</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">54.73862596 746.10924120 91.08992497 746.10924120</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">83.75024059 768.01744806 141.26491429 768.01744806</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">157.45151535 767.49981782 330.31724684 767.49981782</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">422.74119283 766.49832448 511.79091112 766.49832448</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.36305285 781.72687091 172.95126561 781.72687091</stroke>
+      <stroke tool="pen" ts="0" fn="" color="#00c0ffff" width="1.41000000" fill="255">261.07837259 785.58204801 333.00309050 785.58204801</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">340.53699289 781.33580114 512.11123602 781.33580114</stroke>
+    </layer>
+  </page>
+  <page width="596.00000000" height="842.00000000">
+    <background type="pdf" pageno="2"/>
+    <layer>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">55.22613674 53.44725059 377.36542545 53.44725059</stroke>
+    </layer>
+  </page>
+</xournal>