TY - BOOK AU - Aswathanarayana,U. AU - Divi,Rao S. TI - Energy portfolios SN - 9780415469852 (hbk.) : PY - 2009/// CY - Boca Raton PB - CRC Press KW - Power resources KW - Energy industries KW - Energy auditing N1 - Includes bibliographical references and indexes ER -