TY  - GEN
AU  - Jensen,Cecil
AU  - Helsel,Jay D.
TI  - Fundamentals of engineering drawing
SN  - 0028018001
U1  - 604.2 
PY  - 1996///
CY  - New York
PB  - Glencoe/McGraw-Hill
KW  - Engineering drawings
KW  - Mechanical drawing
ER  -