TY - BOOK AU - Ammer, Dean S. AU - ED - ED - ED - ED - SN - 2 PY - 1968///46 CY - Homewood, Ill PB - R. D. Irwin KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Materials management N1 - Bibliography: p. 589-593; 5 ER -