Python 3.5.4rc1 and Python 3.4.7rc1 by Roberto Zicari · September 5, 2017 Python 3.5.4rc1 and Python 3.4.7rc1 are available for download. You can download Python 3.5.4rc1 here, and you can download Python 3.4.7rc1 here.
The Object-Relational Impedance Mismatch January 1, 2002 by Roberto Zicari · Published January 1, 2002 · Last modified February 18, 2014
Impedance Mismatch is not an “Objects vs. Relations” Problem.(DRAFT) August 1, 2012 by Roberto Zicari · Published August 1, 2012 · Last modified February 16, 2014