IEEE Transactions on Systems, Man, and Cybernetics, Volume 20

Volume 20, Number 1, January / February 1990

Volume 20, Number 2, March / April 1990

Volume 20, Number 3, May / June 1990

Volume 20, Number 4, July / August 1990

Volume 20, Number 5, September / October 1990

Volume 20, Number 6, November / December 1990