00631cam a2200229 a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001000098040000900108082001300117100001600130245008500146260002900231300003800260650002200298650001900320650003600339650002600375CHAP20220817043621.0000215d1999    ingab   r     00010 enk d  a79873  a80845  a0340676450  a91299  cCHAP04a628.1 G700aGray, N. F.10aWater technology :ban introduction for scientists and engineersc/by N. F. Gray  aLondon :bArnold,c1999.  a548 p. :bilus. ; gráfs., mapas14aAguaxAnálisis.14aAguaxCalidad.14aAguas residualesxPurificacion.14aRecursos hidraulicos.