TY  - BOOK
AU  - Rao, P. Venugopala
AU  - Vijayalakshmi Akella
TI  - Textbook of surveying
SN  - 9788120349919
U1  - 625.11 RAO 
PY  - 2015///
CY  - New Delhi
PB  - PHI Learning
KW  - Surveying
ER  -