diff --git a/doc/gf-bib.bib b/doc/gf-bib.bib
index c6f1d0b94..c7669b44c 100644
--- a/doc/gf-bib.bib
+++ b/doc/gf-bib.bib
@@ -327,6 +327,25 @@
     ADDRESS = {Oxford},
     YEAR = {1990} }
 
+@BOOK{grevisse,
+    AUTHOR = "Grevisse, Maurice",
+    TITLE = "Le bon usage, 13me edition",
+    PUBLISHER = {Duculot},
+    ADDRESS = {Paris},
+    YEAR = {1993} }
+
+@BOOK{diderichsen,
+    AUTHOR = "Diderichsen, Paul",
+    TITLE = "Elementaer dansk grammatik",
+    ADDRESS = {Kobenhavn},
+    YEAR = {1962} }
+
+@BOOK{regulus,
+    AUTHOR = {Rayner, Manny and Hockey, Beth Ann and Bouillon, Pierrette},
+    TITLE = "Putting Linguistics into Speech Recognition: The Regulus Grammar Compiler",
+    ADDRESS = {CSLI},
+    YEAR = {2006} }
+
 @INCOLLECTION{steedman,
     AUTHOR = "Steedman, M.",
     TITLE = "Combinators and grammars",
@@ -992,11 +1011,11 @@
 
 @PhdThesis{peb,
   author =   {P. Ljungl\"of},
-  title =   {{Grammatical Framework and Generalized Context-Free Grammars}},
+  title =   {{The Expressivity and Complexity of Grammatical Framework}},
   school =   {{Dept.\ of Computing Science,
                Chalmers University of Technology and 
                Gothenburg University}},
-  year =   {forthcoming}
+  year =   {2004}
 }
 
 @InProceedings{peb-parsing,
@@ -2018,6 +2037,7 @@ Book{GoldbergRubin95,
   note =	 {URL: \texttt{http://www.cs.chalmers.se/\~{}aarne/hallgren-ranta-2000.ps.gz}}
 }
 
+
 @inproceedings{ mccarthy62towards,
     author = "J.\ McCarthy",
     title = "Towards a mathematical science of computation",