Feher, J., Lence, B.J., Masliev, I., Smith, M.G., & Somlyody, L. (1995). System Approaches for the Analysis of Water Quality Management of the Sio, Kapos, Veszpremi-Sed, Malom, Nador, and Gaja River System (Hungary). IIASA Working Paper. IIASA, Laxenburg, Austria: WP-95-111