Eibesfesdt, Irenaus Eibl. The biology of peace and war : men, animals and aggression / Irenaus Eibl Eibesfesdt and Eric Masbacher. - United States of America : Thames and Hudson , 1979. - vi,286p. : ill.,figstables ; 23cm . NULL ISBN: Rs. 74.50 (Hb) Subjects--Index Terms: BIOLOGY Dewey Class. No.: 570 / EIB/B