--- MPIWGWeb/bibliography.py	2004/11/16 15:15:23	1.5
+++ MPIWGWeb/bibliography.py	2005/04/28 10:06:24	1.6
@@ -31,9 +31,9 @@ def formatBiblHelp(self,found,table,id):
 
     elif foundIB.reference_type.lower()=='edited book':
         ret+=foundIB.author_semi_colon+" (Editor/s). <i>"+foundIB.title+"</i>."
-        if not foundIB.place_published=='':
+        if foundIB.place_published and (not foundIB.place_published==''):
             ret+=foundIB.place_published+": "
-        if not foundIB.publisher=='':
+        if foundIB.publisher and (not foundIB.publisher==''):
             ret+=foundIB.publisher+", "
         ret+=foundIB.year+"."