00000cam a22000001a 4500 UP-1685675941123695459 Buklod 20071009080226.0 a r |||| u| ta 740427r19741955ctu r |000 0|eng d 0837136792 (iLib)UPTAC-00000001526 DLC UPVTC eng HM 221 C6 1974 Cottrell, William Frederick 1903- Energy and society the relation between energy, social change, and economic development [by] Fred Cottrell. Westport, Conn. Greenwood Press [1974, c1955] 330 p. 23 cm. Originally published in 1955 by McGraw-Hill Book Co. Power resources. Progress. Civilization. FO UPTAC UPTAC HM 221 C6 1974 Book