Earthworm communities in natural savannas and a man-made pastures of the Eastern Plains of Colombia

Earthworm communities in natural savannas and a man-made pastures of the Eastern Plains of Colombia. Biology and Fertility of Soils 28 (1), 101-110.
Jiménez J.J., Moreno A.G., Decaëns T., Lavelle P., Fisher M., Thomas R.J. (1998)