Proceedings : Fourth Annual Allerton Conference on Circuit and System Theory : conference held October 5, 6, 7, 1966, Allerton House, Monticello, Illinois
edited by William R. Perkins, J.B. Cruz, Jr., conference co-chairmen ; sponsored by the Department of Electrical Engineering and the Coordinated Science Laboratory of the University of Illinois, and the Circuit Theory Groupe of the Institute of Electrical & Electronics Engineers
[University of Illinois at Urbana-Champaign], [1966]