000
00273nam a22001217a 4500
020
_a
9788174092359
100
_a
Agor R
245
_a
Text book of Surveying and Levelling
250
_a
12th
260
_a
New Delhi
_b
Khanna Publishers
_c
2015
300
_a
1234
942
_c
BK
999
_c
58951
_d
58951