Python 3.5.4 and Python 3.4.7 by Roberto Zicari · September 5, 2017 Python 3.5.4 and Python 3.4.7 are available for download. You can download Python 3.5.4 here, and you can download Python 3.4.7 here.
The Object-Relational Impedance Mismatch January 1, 2002 by Roberto Zicari · Published January 1, 2002 · Last modified February 18, 2014
Persistence Model Patterns A Practitioner’s View January 1, 2009 by Roberto Zicari · Published January 1, 2009 · Last modified February 16, 2014