1. Control of reservoir water quality;Bernhardt,1990
2. Economic-Ecological Modeling;Braat,1987
3. Computer Methods in Water Resources II. Vol. 3 Computer Aided Engineering Water Resources;Brebbia,1991
4. Toward an ecological economics;Costanza;Ecol. Modelling,1987
5. Ecoscience. Population, Resources, Environment;Ehrlich,1977