TY  - BOOK
AU  - Agor, R.
TI  - Surveying: Textbook on surveying and leveling 
U1  - 526.9 
PY  - 1980///
CY  - New Delhi
PB  - Khanna
KW  - Chain surveying
KW  - Plane surveying
KW  - Surveying
N1  - Includes index
ER  -