1. The Aloha System," in Computer-Communicatzon Networks, Norman Abramson and Franklin Kuo, (Eds.), Prentice- Hall, Inc., Englewood Cliffs;ABRAMSON N.;N. J.,1973
2. Packet switching with satellites," in Proc., AFIPS 197S National Computer Conf., Vol. 42, AFIPS Press, Montvale;ASR MSON;N.J.,1973