1. Optimal High Powerful Pumped-Storage System (English language);Guzun;Journal Energetica,2006
2. M. Grigoriu, Pumps and Pumping Installations (Romanian language), Printech Printinghouse, ISBN (10) 978-973-718-609-6, Bucharest, 2006.
3. M. Grigoriu, M.C. Popescu, Optimizing Operation of Hydro-Pneumatic Machineries (English language), Proceedings of the International Conference on Energy and Environment Technologies and Equipment, pp.135–140, Bucharest, Romania, April 20-22, 2010.
4. M. Grigoriu, Hydraulic Machines. Exploatation of Energetic Hydraulic Machines (Romanian language), Printech Printinghouse, ISBN 978-606-23-0534-5, Bucharest, 2015.
5. M. Grigoriu, J.K. Rotaexe, Autonomous Power Supply of Isolated Locations from Renewable Resources (English language), Journal Energetica, 180 – 185 pg., no.5, Mai 2007, ISSN1453-2360, 2007.