TY  - BOOK
AU  - Agor, R.
TI  - A Text book of Surveying and Level ling
SN  - 9788174092359
U1  - 526.9 
PY  - 2008///
CY  - New Delhi
PB  - Khanna Publishers
KW  - Surveying
N1  - Surveying
ER  -