00279nam a2200109Ia 4500008004100000082001500041100002200056245001700078260004700095300001000142650001700152140113s9999    xx            000 0 und d  a631.43  K8  a" Kohnke, Helmut"  aSoil physics  b"TataMcgrsw-hill publishing company, 1968"  a224p.  aSoil physics