Analysis of vertebrate pest control
1994
Hone, Jim |
Cambridge studies in applied ecology and resource management
The Jonglei Canal : impact and opportunity
1988
Howell, P. P. (Paul Philip) |
Lock, Michael |
Cobb, Stephen |
World soil erosion and conservation
1993
Pimentel, David |
The Asian elephant : ecology and management
1989
Sukumar, R. (Raman) |
