J. Forrester, and S. Cinderby. Managing Borderlands project, Rural Economy and Land Use Programme of the Economic & Social and Natural Environment Research Councils, (2000)
F. Bousquet, I. Bakam, H. Proton, and C. Le Page. Tasks and Methods in Applied Artificial Intelligence, volume 1416 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (1998)