Communications of the ACM (CACM), Volume 11, 1968

Volume 11, Number 1, January 1968

Volume 11, Number 2, February 1968

Volume 11, Number 3, March 1968

Volume 11, Number 4, April 1968

Volume 11, Number 5, May 1968

Volume 11, Number 6, June 1968

Volume 11, Number 7, July 1968

Volume 11, Number 8, August 1968

Volume 11, Number 9, September 1968

Volume 11, Number 10, Octorber 1968

Volume 11, Number 11, November 1968

Volume 11, Number 12, December 1968