Long term energy resources / An international conference the United Nations institute for training and research (UNITAR) 26 November- December 7,1979 Montreal, Quebec, Canada - Boston: Pitman, 1981 - lxxiii, 729p. ISBN: 0-273-08534-4 Subjects--Topical Terms: Energy Subjects--Index Terms: Resources Universal Decimal Class. No.: 620.91(082.2) / M1