diff --git a/ma.bib b/ma.bib
index d72ef44..1b9811c 100644
--- a/ma.bib
+++ b/ma.bib
@@ -852,7 +852,7 @@ to construct explicit models for non-normal classes. Application includes infere
 @InProceedings{Hautamaki2004,
   author    = {V. Hautamaki and I. Karkkainen and P. Franti},
   title     = {Outlier detection using k-nearest neighbour graph},
-  booktitle = {{ICPR} 2004},
+  booktitle = {Proceedings of the 17th International Conference on Pattern Recognition, 2004},
   year      = {2004},
   publisher = {{IEEE}},
   doi       = {10.1109/icpr.2004.1334558},