TY  - BOOK
AU  - Som,P.
AU  - Ghosh,B.N.
TI  - Advanced surveying
SN  - 0070966478
AV  - TA545 .S65
U1  - 526.9 23
PY  - 1982///
CY  - New Delhi
PB  - Tata McGraw-Hill Pub. Co.
KW  - Surveying
KW  - fast
ER  -