000 00431nam a22001457a 4500
008 120420t xxu||||| |||| 00| 0 eng d
080 _a556.3
100 _aEstern Research Group
_92085
245 _aSubsurface Characterization and monitoring techniques
_bSolids and ground water
260 _aLas vegas
_bCincinnati
_c1993
300 _aB - 23
_b
_e
650 _aaguas subterraneas
_92086
942 _2udc
_cBK
300 _c
_f
_g
999 _c19503
_d19503