Models of manpower systems: the proceedings of a conference held at Oporto in September, 1969 under the aegis of the NATO Scientific Affairs Division / Editor: A. R. Smith. - New York, American Elsevier Pub. Co., 1971. - xii, 432 p. illus. 24 cm. English and French. Includes bibliographical references. ISBN: 044419634X LCCN: 79128631 Subjects--Topical Terms: Manpower policy--Congresses.Manpower policy--Mathematical models--Congresses. Dewey Class. No.: 331.8 / SMM 1971