--- MPIWGWeb/bibliography.py	2004/07/30 10:33:01	1.3
+++ MPIWGWeb/bibliography.py	2004/10/18 13:16:41	1.4
@@ -39,7 +39,7 @@ def formatBiblHelp(self,found,table,id):
 
     elif foundIB.reference_type.lower()=='book section':
         ret+=foundIB.author_semi_colon+". &quot;"+foundIB.title+".&quot; In <i>"+foundIB.secondary_title+"</i>"
-        if not foundIB.secondary_author_semi_colon=='':
+        if (foundIB.secondary_author_semi_colon) and (not foundIB.secondary_author_semi_colon==''):
             ret+=", eds.: "+foundIB.secondary_author_semi_colon
         ret+=". "
         if not foundIB.pages=='':