Extractive metallurgy of copper, nickel and cobalt, edited by P. Queneau, Technical assistant to the President international nickel company of Canada, including an annotated bibliography by K. G. Robb. Based on an international symposium held in New York, febr. 15-18, 1960, and sponsored by The extractive metallurgy division of The metallurgical society. American institute of mining, metallurgical, and petroleum engineers. Interscience publishers, New York — London 1961, IX u. 647 S., $ 22.50