Perrine Richard L Ed. Energy For ourselves and posterity Perrine Richard L Ed.; Ernst W G Ed. - New Jersey Prentice Hall U S A 1985 - x,434p. cm. Rubey Volume.3 ISBN: Source: 481dt, 08/01/1986, SBD General Book Subjects--Topical Terms: Geography Dewey Class. No.: U672(F55), M5