TY  - BOOK
AU  - Som, P
TI  - Advanced surveying
SN  - 0070966478
U1  - 526.9 
PY  - 1982///
CY  - New Dehli
PB  - TATA McGraw Hill Publishing Company Limited
KW  - MCE
N1  - 0; 0; 0; 526_900000000000000_SOM; 0; 0; 0; 526_900000000000000_SOM
ER  -