TY - BOOK AU - Bachrach, Arthur J. AU - ED - ED - ED - ED - TI - : an introduction SN - 0394317068 (paperbound) SN - 2 PY - 1972///46 CY - New York PB - Random House KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Research KW - Psychology N1 - Bibliography: p. 137-144; 5 ER -