TY  - BOOK
AU  - Jensen, Cecil .
AU  - Helsel, Jay D.
TI  - Drawing workbook for fundamentals of engineering drawing
SN  - 0028018710
U1  - 604. 2 
PY  - 1997///
CY  - New York
PB  - McGraw-Hill
KW  - Engineering Drawing
N1  - TE, TEM, IE, KE
ER  -