Cognitive networks: adaptation and learning to achieve end-to-end performance objectives. - Ryan W. Thomas; Daniel H. Friend; Luiz A. DaSilva; Allen B. MacKenzie (IEEE Commun. Mag., 2006)

Architecture and Performance of an Island Genetic Algorithm-Based Cognitive Network. - Daniel H. Friend; Mustafa Y. ElNainay; Yongsheng Shi; Allen B. MacKenzie (CCNC, 2008)

Cognitive Networks: Foundations to Applications. - Daniel H. Friend (2009)