00405    a2200133   4500020001500000082001700015100001700032245006500049260004400114300002200158650001900180650003800199650003400237  a0486681289  a551.305bJEN  aJenny, Hans   aFactors of soil formationba system of quantitative pedology  aNew YorkbDover Publicationc1994g1994  axviii,281p.c22cm  aSoil formation  aNatural sciences and mathematics   aChemistry and allied sciences