Search results for: W. Ulrich
Polish Journal of Ecology > 2001 > Vol. 49, nr 3 > 299-305
Polish Journal of Ecology > 1999 > Vol. 47, no 3 > 293-305
Polish Journal of Ecology > 2001 > Vol. 49, nr 3 > 299-305
Polish Journal of Ecology > 1999 > Vol. 47, no 3 > 293-305