diff --git a/ER_2000/.gitignore b/ER_2000/.gitignore
new file mode 100644
index 0000000..c0a8f0f
--- /dev/null
+++ b/ER_2000/.gitignore
@@ -0,0 +1,4 @@
+*.pdf
+!er2000.bbl
+!er2000.pdf
+!figures.pdf