1. Structureand Interpretation of Computer Programs;Abelson,1985
2. Actors:a conceptual foundation for concurrent object-orientedprogramming;Agha,1987
3. SimulaBegin;Bertwistle,1973
4. Objectstructure in the Emeraldsystem;Black;ACM SIGPLANNotices,1986
5. Black, A. P., Lazowska, E. D.,Noe, J. D. and Sanislo, J. (1986) The Eden Project: A Final Report, 86–11–01, University ofWashington, Seattle, Department of Computer Science