TY  - BOOK
AU  - Levens, A. S.
AU  - Cooper, S. J.
TI  - PROBLEMS IN MECHANICAL DRAWING
U1  - 604.2 
PY  - 1985///
CY  - New York
PB  - Mcgraw-Hill
KW  - Mechanical Drawing
N1  - Keyed To Mechanical Drawing, By French And Others
ER  -