TY  - BOOK
AU  - Wirshing,Roy H.
AU  - Wirshing,James R.
TI  - Civil engineering drafting
SN  - 0070711275
AV  - TA175 .W57 1983
U1  - 624/.022/1 19
PY  - 1983///
CY  - New York
PB  - McGraw-Hill
KW  - Engineering drawings
KW  - Mechanical drawing
N1  - Includes index
ER  -