000 00232nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSONI(SOURABH)
245 0 _aSURVEYING-1
260 _bKATARIA & SONS ( DELHI )
942 _2ddc
_cBTECH
999 _c7551
_d7551