TY - BOOK AU - Jensen,Cecil Howard AU - Helsel,Jay D. TI - Engineering drawing and design SN - 0070325553 (Pbk.) AV - T353 .J46 1992 PY - 1992/// CY - New York PB - Gregg Division, McGraw-Hill KW - Mechanical drawing KW - Engineering design N1 - Includes bibliographical references ER -