Looks like there is a budding effort to build a bibliographic management tool on top of Zope. From the announcement:
Biblioz - A first step towards a framework for organising bibliographic references.
Provides - BookRef, JournalRef and BookChapterRef (arche)types, BibliozTool for rendering each of the Bibioz content types to specific citation formats, and AmazonTool for fetching details from Amazon webservices (which can be used to autopopulate BookRefs)