"This little walk through will illustrate some of the principles for building a folderish content type and for using references." - u.a. auch über back references bei reference fields
"CMFBibliography enables the handling of references to various types of publications... In order to allow for interoperability with other applications that support reference handling, the information within individual references is highly structured."
M. Bax, and F. Parreiras. Proceedings of the 2nd Brazilian Congress on Knowledge Management
(KM Brasil 2003), Sao Paulo, SP, Brazil, November 14-16, 2003, (2003)Portuguese.