TY  - BOOK
AU  - Jensen, Cecil 
AU  - Helsel, Jay D.
TI  - Engineering Drawing and Design
SN  - 0-02-801795-1
AV  - T533.J47 1996 7321
PY  - 1996///
CY  - USA
PB  - Glencoe McGraw -Hill.
KW  - Mechanical drawing
N1  - Includes bibliographical references and index
ER  -