TY  - BOOK
AU  - Roy, S. K.
TI  - Fundamentals of surveying
SN  - 8120341988
U1  - 624.11 
PY  - 2010///
CY  - New Delhi
PB  - PHI Learning Pvt Ltd
KW  -  
UR  - https://www.pdfdrive.com/fundamentals-of-surveying-by-sk-roy-d55697799.html
ER  -