Objects and Databases by Roberto Zicari · Published January 1, 1993 · Updated February 24, 2014 Petr, Kroha, Objects and Databases, McGraw-Hill, 1993, ISBN 0077077903.
Pro Hadoop.. November 3, 2013 by Roberto Zicari · Published November 3, 2013 · Last modified February 24, 2014
db4o. schnell + kompakt (In German) November 3, 2013 by Roberto Zicari · Published November 3, 2013 · Last modified February 24, 2014