IEEE Transactions on Communications, Volume 39

Volume 39, Number 1, January 1991

Volume 39, Number 2, February 1991

Volume 39, Number 3, March 1991

Volume 39, Number 4, April 1991

Volume 39, Number 5, May 1991

Volume 39, Number 6, June 1991

Volume 39, Number 7, July 1991