00430nam a2200109Ia 4500008004100000082004000041245009200081260004700173300001000220600007100230650001900301130903s9999    xx            000 0 und d  a631.4(100) 1958.5.28/31 (082.2)  J8  aCommunications presented by the Soil Science Laboratory of the Agricultural University.  aGhentbGhent Agricultural Universityc1958  a391p.  aInternational Symposium on Soil Structure, Ghent, May 28-31, 1958.  aSoil Structure