TY  - BOOK
AU  - Luzadder, Warren J.
AU  - Duff, Jon M.
TI  - Introduction to engineering drawing: the foundations of engineering design and computer-aided drafting
SN  - 0134823737
U1  - 604.24 
PY  - 1989///
CY  - Englewood Cliffs
PB  - Prentice-Hall
ER  -