Aswathanarayana, U. Divi, Rao S. Energy portfolios /by U. Aswathanarayana, Rao S.Divi - Boca Raton CRC press 2009 - xxvii, 336 p. ISBN: 9780415469852 Subjects--Topical Terms: Power resourcesEnergy industries Dewey Class. No.: 333.79 / ASW