diff --git a/WS2425/abebe.pdf b/WS2425/abebe.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..958ad131ecc6303f08acf72090f2e6e5aaf38ce5
Binary files /dev/null and b/WS2425/abebe.pdf differ
diff --git a/WS2425/banerjee.pdf b/WS2425/banerjee.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0c03a8f098aaf0f86681d9aed5ff52c239e86816
Binary files /dev/null and b/WS2425/banerjee.pdf differ
diff --git a/WS2425/boehm.pdf b/WS2425/boehm.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..84ef85acc9efdd20991ff6f8cee97a12b539f4f2
Binary files /dev/null and b/WS2425/boehm.pdf differ
diff --git a/WS2425/leichtl.pdf b/WS2425/leichtl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..62e44f45c64b5b5386664cf7be1c90dd100d8a7e
Binary files /dev/null and b/WS2425/leichtl.pdf differ
diff --git a/WS2425/mander.pdf b/WS2425/mander.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5024fcd8dd4867846b7a542215ee39ac7cb8cec6
Binary files /dev/null and b/WS2425/mander.pdf differ