TY - BOOK AU - Ford, Ralph M. AU - ED - ED - ED - ED - TI - : theory, concepts, and practice SN - 9780071263474 SN - 2 PY - 2008///.46 CY - New York, NY PB - McGraw-Hill KW - KW - 2 KW - 0 KW - 6 KW - 20 N1 - 5 ER -