SCHAEFER, M. The soil fauna of beech forests : comparison between a mull and a moder soil / M. Schaefer and J. Schauermann. -- Jena : Gustav Fischer Verlag, 1990 - pp. 299-314 Separata de : Pedobiologia 34. -- Subjects--Topical Terms: Biologia del sueloEcología animalSuelos Universal Decimal Class. No.: 631.46 ; 591.5