TY  - BOOK
AU  - IRVING,WILLIAM L.
TI  - SURVEGING FOR CONSTRUCTION / 
U1  - 526.92 
PY  - 1995///
CY  - [S.N] : 
PB  - MC GRAW - HILL ، 
KW  - SURVERYING
KW  - BUILDING SITES
ER  -