Roy, Amitabha . Shakti : bibhinna utsa / by Amitabha Roy. - Kolkata : Paschim Banga Rajya Pustak Parsad , 1995. - 108p. : ill., figs. ; 21cm . Includes references ISBN: 812470225X Rs. 40.00 Subjects--Index Terms: ENERGY Dewey Class. No.: 333.79 / RAY/S