TY - BOOK AU - Preston,Edward J. AU - Coticchia,Mark E. AU - Crawford,George W. TI - CAD/CAM systems: justification, implementation, productivity measurement T2 - Mechanical engineering SN - 0824772571 AV - TS155.6 .P74 1984 U1 - 670.42/7 19 PY - 1984/// CY - New York PB - M. Dekker KW - CAD/CAM systems KW - Local N1 - Includes bibliographies and index ER -