TY  - BOOK
AU  - Duggal, S.K
TI  - Surveying 2
SN  -  0-07-462090-8
U1  - 625.11 D879,s 
PY  - 2002///
CY  -  New Delhi
PB  -  Tata Mc Graw Hill Publishing Co.
KW  -  Civil
ER  -