TY  - BOOK
AU  - Duggal, S.K.
TI  - Surveying, V-I
SN  - 9780070534704, 9781259028991
U1  - 526.9 
PY  - 2008///, 2015
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Surveying
KW  - Civil
KW  - polytechnic
N1  - Included Index
ER  -