diff --git a/1Bis-English/documents/Dijkstra68.pdf b/1Bis-English/documents/Dijkstra68.pdf new file mode 100644 index 0000000..5f714f0 Binary files /dev/null and b/1Bis-English/documents/Dijkstra68.pdf differ diff --git a/1Bis-English/documents/amt-b-2-15-7-1.pdf b/1Bis-English/documents/amt-b-2-15-7-1.pdf new file mode 100644 index 0000000..723016d Binary files /dev/null and b/1Bis-English/documents/amt-b-2-15-7-1.pdf differ