00486cam a22001817a 450000500170000000800410001701000100005801100100006803500100007808200160008810000220010424500500012626000400017630000230021649000250023965000150026483000250027920220329141255.0971010s1987            r     00010     d  a65572  a66544  a74858  a631.455bH300aHallsworth, E. G. 0aAnatomy, physiology and psychology of erosion  aChichester, England :bWiley,c1987  a176 p.b: gráfs. 0aIFIAS monographv; 114aErosión.0 aIFIAS monographv; 1