1 files changed, 11 insertions, 0 deletions
diff --git a/doc/codec2_refs.bib b/doc/codec2_refs.bib
index 7348902..039accc 100644
--- a/doc/codec2_refs.bib
+++ b/doc/codec2_refs.bib
@@ -32,3 +32,14 @@
   year={1986},
   publisher={IEEE}
 }
+
+@article{makhoul1975linear,
+  title={Linear prediction: A tutorial review},
+  author={Makhoul, John},
+  journal={Proceedings of the IEEE},
+  volume={63},
+  number={4},
+  pages={561--580},
+  year={1975},
+  publisher={IEEE}
+}