Systems analysis and simulation in wildlife and fisheries sciences

gan Grant, William E
Cyhoeddwyd 1986

Ecology and natural resource management : systems, analysis and simulation

gan Grant,William E
Cyhoeddwyd 1997

Ecological Modeling a common sense approach to theory and practice

gan Grant, William E, Swannack, Todd M
Cyhoeddwyd 2008

Ecology and Natural Resource management

gan Grant, William E, Marin, Sandra L, Pedersen, Ellen K
Cyhoeddwyd 1997