000 003610000a22001450004500
008 140223b1987 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH4224y8 M7
082 _aH4224y8 M7
100 _aothers
700 _aScalf (M R)
245 _aManual of groundwater quality smapling procedures
260 _c1987
650 _aDyanmic Geology
999 _c156794
_d156794