TY  - GEN
AU  - Punmia, BC
AU  - Jain, Ashok Kumar
AU  - Jain, Arun Kumar
TI  - Surveying 
SN  - 8170080541
U1  - 526.9 
PY  - 1999///
CY  - New Delhi
PB  - Laxmi
KW  - Surveying
ER  -