00683nam a22002177a 4500003000500000005001700005008004100022010001100063011001100074022001400085035001100099040000900110100001600119245008100135260005800216300001000274490005500284650003900339650003200378830005500410CHAP20220329143905.0120612s1993    mdu     r     00010 eng d  a103331  a1043030 a1052-5378  a114993  cCHAP1 aMakuch, Joe10aRiparian zones and filter strips in agricultural operationsc/por Joe Makuch  aMaryland, EUA :bNational Agricultural Library,c1993  a40 p. 0aQuick bibliography series.pWater qualityv; 93-3214aAguaxContaminacionxBibliografia.14aEcologíaxBibliografía. 0aQuick bibliography series.pWater qualityv; 93-32