Search results for: W. Ulrich
Polish Journal of Ecology > 1999 > Vol. 47, no 3 > 257-270
Polish Journal of Ecology > 1999 > Vol. 47, no 1 > 87-101
Polish Journal of Ecology > 1999 > Vol. 47, no 3 > 257-270
Polish Journal of Ecology > 1999 > Vol. 47, no 1 > 87-101