TY  - BOOK
AU  - Jensen, Cecil
AU  - Helsel, Jay
TI  - Engineering drawing and design
SN  - 0070325162
AV  - T 353 .J47 1979 
PY  - 1979///
CY  - New York
PB  - McGraw-Hill
KW  - Mechanical drawing
KW  - Engineering design
N1  - Includes index
ER  -