TY  - BOOK
AU  - Punmia, B C.
AU  - Jain,A K.
AU  - Jain,Arun K  .
TI  - Surveying III Higher surveying / 
U1  - 624.1517 
PY  - 2005///
CY  - New Delhi : 
PB  - Laxmi publications , 
ER  -