000 00270nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aY R Nagaraja
245 _aSurveying
250 _aVol -1
260 _bRoorkee:Nem chand
_c1999
300 _a364p.
999 _c7000
_d7000