diff --git a/doc/ice-bib.bib b/doc/ice-bib.bib
index a17c878b32..28fa008a65 100644
--- a/doc/ice-bib.bib
+++ b/doc/ice-bib.bib
@@ -370,6 +370,18 @@ @article {Blatter
 }
 
 
+@article{BlatterGreve2015,
+  title  = {Comparison and verification of enthalpy schemes for polythermal glaciers
+           and ice sheets with a one-dimensional model},
+  author = {H. Blatter and R. Greve},
+  journal= {Polar Science},
+  year   = {2015},
+  volume = {9},
+  number = {2},
+  pages  = {196--207},
+}
+
+
 @article {Bodvardsson,
     AUTHOR = {G. Bodvardsson},
      TITLE = {On the flow of ice-sheets and glaciers},