TY  - GEN
AU  - Punmia,B.C.
AU  - Jain,Ashok, Kumar ;ar. ;Jain,Arun,Kumar ;ar.
TI  - Surveying: field astronomy,photogrammetric surveying,electromagnetic distace measurement
SN  - 8170080541
U1  - 526.9 
PY  - 1990///
CY  - Newdelhi
PB  - Laxmi Publictions (p) Ltd.
KW  - MATHEMATICS
ER  -