TY  - BOOK
AU  - Das, Bhargah Mohan
AU  - Das, Madan Mohan
AU  - Saikia, Mimi Das
TI  - Surveying
SN  - 9788120339859
U1  -  627.131 
PY  - 2012///
CY  - New Delhi,India
PB  - PHI Learning
KW  - 9.78812E+12
ER  -