Initial push of previous course

example-document/ref.bib

@@ -0,0 +1,22 @@
+@article{einstein,
+    author = "Albert Einstein",
+    title = "{Zur Elektrodynamik bewegter K{\"o}rper}. ({German})
+    [{On} the electrodynamics of moving bodies]",
+    journal = "Annalen der Physik",
+    volume = "322",
+    number = "10",
+    pages = "891--921",
+    year = "1905",
+    DOI = "http://dx.doi.org/10.1002/andp.19053221004",
+    keywords = "physics"
+}
+
+@book{dirac,
+    title = {The Principles of Quantum Mechanics},
+    author = {Paul Adrien Maurice Dirac},
+    isbn = {9780198520115},
+    series = {International series of monographs on physics},
+    year = {1981},
+    publisher = {Clarendon Press},
+    keywords = {physics}
+}