1. Binns, W. O.: 1985, The Environmentalist 5, 279–288.
2. Bublinec, E. and Dubová, M.: 1989, Lesntcky časopis 35, 463–475 (in Slovak-english summary).
3. Approach-Methodologies-Findings. Ecosystem Research Report;J. Černý,1993
4. Chen, C. W., Hudson, R. J. M., Gherini, S. A., Dean, J. D., and Goldstein, R. A.: 1983, J. Environ. Eng. 109, 585–603.
5. Chen, C. W., Gherini, S. A., Goldstein, R. A., and Clesceri, N. L.: 1985, J. Environ. Eng. 111, 354–372.