کتاب های P.j. Gellings
Procedures for determining the performance of stand-alone photovoltaic systems
Clark W. Gellings, 1999
The CRC handbook of solid state electrochemistry
P.J. Gellings, 1997
The CRC handbook of solid state electrochemistry
P.J. Gellings, 1997
The Smart Grid: Enabling Energy Efficiency and Demand Response
Clark W. Gellings, 2009
Handbook of Solid State Electrochemistry
P.J. Gellings, 1997
Saving energy and reducing CO₂ emissions with electricity
Gellings, 2011
