00267nam a2200097Ia 4500008004100000082001900041100003100060245003200091260003100123300001500154140113s9999    xx            000 0 und d  a631.417   L1.1  a"Novak, Bohumir. Et al�"  aStudies about Humus -vol. I  a1979bBRNOcCzechoslovakia  a271 to 605