TY  - BOOK
AU  - Wallach, Paul Ross
AU  - Chowenhill, Dean
TI  - Drafting: in a computer age 
SN  - 0827329253
AV  - T353 WAL
PY  - 1989///
CY  - New York
PB  - Delmar
KW  - Mechanical drawing
KW  - Computer graphics
KW  - Geometry
N1  - Includes bibliographic reference and index
ER  -