1. Environmental Software Systems;Denzer,1999
2. Denzer, R., Güttler, R., Swayne, D.A., 2001. Integrated spatial decision support. Environmental Software Systems, vol. 4. Environmental Information and Indicators, IFIP Conference Series, pp. 227–235.
3. Denzer, R., Güttler, R., Hell, Th., Villa, M., 2003a. Integration of Heterogeneous Software Components in a Pesticide Decision Support System. In: Post, D.A. (Ed.), MODSIM 2003, Townsville, Australia, pp. 1739–1744.
4. Denzer, R., Güttler, R., Schlobinski, S., 2003b. A Decision Support System for Marine Applications. In: Post, D.A. (Ed.), MODSIM 2003, Townsville, Australia, pp. 1757–1762.
5. An EIS called WuNDa;Güttler,2000