000 00451 a2200241 4500
001 324709
020 _a
041 _aeng
080 _aBISI S 6935 : 1973
245 _aMethod for determination of water level in a borehole
250 _a
260 _aNew Delhi
260 _bISI
260 _c1973
300 _a10 p.
300 _c
856 _u
490 _aISI S 6935 : 1973
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c268567
_d268567