Ecological Modeling : In a Resource Management Framework, Paperback by Russel...

Ecological Modeling: In a Resource Management Framework by Clifford S. Russell (

Ecological Modeling for Resource Management

Resource Management in Developing Countries: Africa's Ecological and Economic Pr

The Evolution of Water Resource Planning and Decision Making by Clifford S. Russ

Time in Ecology: A Theoretical Framework by Eric Post (English) Paperback Book