Ayres, Eugene.
Energy sources, the wealth of the world - 1st ed. - New York, McGraw-Hill, 1952. - 344 p. illus. 24 cm.
Power resources.
621 HIL 1952 A106 Or.
Energy sources, the wealth of the world - 1st ed. - New York, McGraw-Hill, 1952. - 344 p. illus. 24 cm.
Power resources.
621 HIL 1952 A106 Or.