TY  - BOOK
AU  - Duggal,S.K.
TI  - Surveying
SN  - 9780070534711
U1  - 526.9 DUG-SUR 
PY  - 2004///
CY  - NEW DELHI
PB  - TATA Mc GRAW HILL
KW  - SURVEYING
ER  -