TY  - GEN
AU  - Punmia , B. C.
AU  - Jain ,  Ashok Kumar
AU  - Jain , Arun Kumar 
TI  - Surveying: field astronomy
SN  - 8170080541
U1  - 526.9 
PY  - 2002///
CY  - New Delhi
PB  - Laxmi Publictions
KW  - FIELD ASTRONOMY
KW  - SURVEYING
KW  - PHOTOGRAMMETRIC SURVEYING
KW  - EELECTROMAGNETIC DISTANCE MEASUREMENT
ER  -