Object Databases: The Essentials by Roberto Zicari · Published November 3, 2013 · Updated February 24, 2014 M. Loomis, Object Databases: The Essentials, Addison-Wesley, 1994, ISBN 0-201-56341-2
Building on Multi-Model Databases. How to Manage Multiple Schemas Using a Single Platform September 6, 2017 by Roberto Zicari · Published September 6, 2017