TY - BOOK AU - Hammer, Willie. AU - ED - ED - ED - ED - SN - 137241046 SN - 2 PY - 1980///];copyright 1980.46 CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Product safety N1 - Includes index; 5 ER -