TY  - BOOK
AU  - Ashley,Ray
TI  - Electrical estimating
SN  - 070024030
AV  - TK435 .A8 1961
U1  - 621.3 
PY  - 1961///
CY  - New York
PB  - McGraw-Hill
KW  - Electrical engineering
KW  - Estimates
N1  - Includes index: p431-437
ER  -