TY  - GEN
AU  - Roy , S. K.
TI  - Fundementals of surveying
SN  - 8120312600
U1  - 526.9 
PY  - 1999///
CY  - New Delhi
PB  - Prentice Hall 
KW  - SURVEYING
KW  - ERRORS IN MEASUREMENT
KW  - HORIZONTAL DISTANCE
KW  - ELECTRONIC DISTANCE
KW  - LEVELING
KW  - COMPASS SURVEY
ER  -