TY  - BOOK
AU  - DUGGAL, S.K.
TI  - SURVEYING
SN  - 0070534705
U1  - 526.9 DUG-SUR 
PY  - 1996///
CY  - NEW DELHI
PB  - TATA Mc GRAW HILL
KW  - SURVEYING
ER  -