Network Regions: Alternatives to the Winner-Take-All Structure. - Hon Wai Chun; Lawrence A. Bookman; Niki Afshartous (IJCAI, 1987)

Expressing concurrency in Griffin. - Niki Afshartous; Malcolm C. Harrison (ICPADS, 1996)

Higher-Order Conditional Synchronization. - Niki Afshartous (1999)