TY  - BOOK
AU  - Jensen,Cecil
AU  - Helsel,Jay D.
TI  - Drawing workbook for engineering drawing and design
SN  - 0028018818
U1  - 604.2 
PY  - 1997///
CY  - New York, NY
PB  - Glencoe/McGraw-Hill
KW  - Engineering drawings
KW  - Engineering design
ER  -