Purchasing and materials management / Michiel R. Leenders, Harold E. Fearon, Wilbur B. England. Leenders, Michiel R. Fearon, Harold E. joint author. England, Wilbur B. joint author. Industrial procurement Management. 658.72 LEP Includes indexes. Bibliography: p. 563-570. Homewood, Ill. : R. D. Irwin, 1980. 1980. 1980 Text xi, 582 p. : eng