Biblio

Webster, E. A., D. W. Hopkins, J. A. Chudek, S. F. I. Haslam, M. Šimek, and T. Picek. 2001. The relationship between microbial carbon and the resource quality of soil carbon. Journal of Environmental Quality 30: 147-150.

Šimek, K., D. W. Hopkins, J. Kalcik, T. Picek, H. Santruckova, J. Stana, and K. Travnik. 1999. Biological and chemical properties of arable soils affected by long-term organic and inorganic fertilizer applications. Biology and Fertility of Soils 29: 300–308.