Understanding and managing ecotones : proceedings of the 3rd International SCOPE/UNEP Workshop on Ecotones
1995
Risser, Paul G. |
Risser, Paul G.
The true prairie ecosystem
1981
Risser, Paul G. |
Birney, E. C. |
Blocker, H. D. |
May, S. W. |
Parton, W. J. |
Wiens, John A. |