diff --git a/PDFs/Theis_01.pdf b/PDFs/Theis_01.pdf
new file mode 100644
index 0000000..97ec1f6
Binary files /dev/null and b/PDFs/Theis_01.pdf differ
diff --git a/PDFs/Theis_02.pdf b/PDFs/Theis_02.pdf
new file mode 100644
index 0000000..ff88aa1
Binary files /dev/null and b/PDFs/Theis_02.pdf differ