00407nam a2200181Ia 4500008004100000041001200041082001000053082001100063100001600074100001100090245002800101260001100129260001900140260000900159300001500168365002500183650001700208150901s9999    xx            000 0 und d  aEnglish  a631.4  bPIP/SO  aPiper C.S    eAuthor  aSoil and plant analysis  aBombay  bHam publishers  c1957  a368  Pages  aRs.81.20              aSoil science