TY - BOOK AU - Bolton, W. AU - ED - ED - ED - ED - SN - 0408106530 (pbk.) : SN - 2 PY - 1980///46 CY - London ;;Boston PB - Butterworths KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Materials N1 - Includes index; Bibliography: p. 94; 5 ER -