Sometimes the bibliography needs to be more flexible in the bibliographic item description. For this case exists the module simplebib.
But this bibliography module is more flexible than the "classic" bibliography module with its bibtex database.
The bibliography can be listed in one block or distributed over several block in the document (e.g. at the end of every chapter).
For referencing simplebib is using the crossref module. For the lazy ones it provides
\bibtex what is nothing else than a