Java Data Objects by Roberto Zicari · Published November 3, 2013 · Updated February 24, 2014 D. Jordan, C. Russell, Java Data Objects, O’Reilly Media, 2003, ISBN 0596002769
The Definitive Guide to db4o November 3, 2013 by Roberto Zicari · Published November 3, 2013 · Last modified February 24, 2014
C++ Object Databases: Programming with the ODMG Standard November 3, 2013 by Roberto Zicari · Published November 3, 2013 · Last modified February 24, 2014
Object Databases: The Essentials November 3, 2013 by Roberto Zicari · Published November 3, 2013 · Last modified February 24, 2014