00385nam a2200133Ia 4500008004100000082001400041100001600055245003400071260004800105300001500153490003000168600001500198650003800213140224s9999    xx            000 0 und d  a631.45 L0  aCooke, G.W.  aThe control of soil fertility  aLondonbEnglish language book societyc1970  axvii,526p.  aE.L.B.S. Text Book Series  aG.W. Cooke  aBiological control,Soil fertility