TY  - BOOK
AU  - Walker,John R.
TI  - Exploring drafting: fundamentals of technology
SN  - 087006620X
AV  - T353 .W22 1987
PY  - 1987///
CY  - South-Holland, Ill.
PB  - Goodheart-Willcox Co.
KW  - Mechanical drawing
N1  - Includes index
ER  -