1. Berners-Lee T, Cailliau R, Groff J, Pollermann B (1992) Electronic Networking: Research, Applications and Policy l(l):74–82
2. Clark O, Kok R (1995) The study of ecosystem dynamics using simulation. In: Proc of Canadian Society of Agricultural Institute of Canada Annual Conference
3. Dill S, Kumar R, McCurley K, Rajagopalan S, Sivakumar D, Tomkins A (2001) ACM Trans. on Internet Technology (TOIT) 2(3):205–223
4. von Eicken T, Culler DE, Goldstein SC, Schauser KE (1992) Active messages: A mechanism for integrated communication and computation. In: Proc of International Symposium on Computer Architecture
5. Eraser AS (1968) The evolution of purposive behavior. In: von Foerster H, White JD, Peterson LJ, Russell JK (eds) Purposive Systems. Spartan Books