1. Soil fauna and its importance in soil type formation;Bornebusch;Trans. fourth Int. Congr. Soil Sci.,1950
2. Recherches sur la formation appelée ‘Argile à silex’ dans le Bassin de Paris;Brajnikov;Rev. Géogr. phys.,1937
3. The environmental and pedological relationships of peaty gleyed podzols;Crompton;Trans. sixth Int. Congr. Soil. Sci. E,1956