00487nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100001700118245005300135260003100188300003100219650002200250650002100272CHAP20220329140909.0971013s1981 r 00010 d a59466 a60438 a64600 cCHAP a551.49bL5500aLloyd, J. W. aCase-studies in groundwater resources evaluation aOxford :bClarendon,c1981 a206 p.b: ilus. ; gráfs.14aAgua subterranea.14aHidrogeología.