TY  - BOOK
AU  - Walker, John R.
TI  - Exploring drafting: by John R. Walker
SN  - 0870064061
AV  - T 353 .W22 1982
U1  - 604/.2 
PY  - 1982///
CY  - South Holland, Illinois
PB  - Goodheart-Willcox Co.
KW  - Mechanical drawing
N1  - Includes bibliographical references and index
ER  -