Kirshen, P. H., Vogel, R. M., Westphal, K. S., & Zoltay, V. I. Integrated watershed management modeling: Generic optimization model applied to the Ipswich river basin.

Kirshen, Paul H., Richard M. Vogel, Kirk S. Westphal, و Viktoria I. Zoltay. Integrated Watershed Management Modeling: Generic Optimization Model Applied to the Ipswich River Basin.

Kirshen, Paul H., Richard M. Vogel, Kirk S. Westphal, و Viktoria I. Zoltay. Integrated Watershed Management Modeling: Generic Optimization Model Applied to the Ipswich River Basin.