000 00279nam a22001337a 4500
020 _a978-9353167509
041 _aENG
100 _aDuggal. S.K
245 _aSurvying Vol 1
260 _aDelhi
_bTata McGraw -Hill Pub
_c1996
300 _a662
650 _aSWCE
856 _uSWCE
999 _c636
_d636