TY  - BOOK
AU  - Rangwala, S C.
AU  - Rangwala,K.S
AU  - Rangwala,P.S
TI  - Surveying and Levelling : A Textbook of Engineering Students / 
SN  - 9789380358277
U1  - 624.151 7 
PY  - 2011///
CY  - Gujarat, Anand : 
PB  - Charotar publishing house , 
ER  -