000 00206nam a22001097a 4500
100 _aDUGGAL S K.
245 _aSURVEYING
250 _a4TH
260 _aCHENNAI
_bMGH
_c2013
300 _aXX;625P.
942 _cBK
999 _c8584
_d8584