TY  - BOOK
AU  - Duggal,S.K.
TI  - Surveying
SN  - 0070534705 (vol. 1)
U1  - 526.9 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Surveying
N1  - Includes index
ER  -