1. Standard Values in Nutrition and Metabolism;Albritton,1954
2. Soil Organic Matter and Its Role in Crop Production;Allison,1973
3. Ecology of Earthworms and Their Effect on the Fertility of Soils in the Lithuanian SSR;Atlavinyte,1975
4. Consumption of soil and organic matter by the earthworm Allolobo-phora caliginosa;Barley;Aust. J. Agric. Res.,1959
5. The influence of earthworms on the physical properties of a red-brown earth;Barley;Aust. J. Agric. Res.,1959