National parks and reserves of Western Europe
1982
Duffey, Eric |
Duffey, Eric
Grassland ecology and wildlife management
1974
Duffey, Eric |
Morris, M. G. |
Sheail, John |
Ward, Lena K. |
Wells, D. A. |
Wells, T. C. E. |
Natuur parken en reservaten in Europa
1982
Duffey, Eric |
Deserts and grasslands : the world's open spaces
1976
Cloudsley-Thompson, J. L. |
Duffey, Eric |
The scientific management of animal and plant communities for conservation
1971
Duffey, Eric |
Watt, A. S. |
Conservation of Nature
1970
Duffey, Eric |