TY  - GEN
AU  - Agor , R.
TI  - A text book of advanced surveying: a textbook for engineering students, practising engineers and surveyors
SN  - 8174090533
U1  - 526.9 
PY  - 1999///
CY  - New Delhi
PB  - Khanna Publishers
KW  - SURVEYING
KW  - LEVELLING
KW  - PLANE SURVEYING
KW  - GEODETIC SURVEYING
KW  - ADVANCED SURVEYING
ER  -