00359nam a2200133Ia 4500008004100000082001300041100001600054245001900070260003700089300000900126490004300135600001500178650003200193140224s9999    xx            000 0 und d  a631.4 L9  aKnapp, B.J.  aSoil processes  aLondonbGeorge Allen Unwinc1979  a72p.  aProcesses in Physical Geography Series  aB.J. Knapp  aSoil formation,Soil ecology