%A J. Hartmanis %T On the state assignment problem for sequential machines I %J IRE Transactions on Electonic Computers %K ieee_tec %V EC-10 %D June 1961 %P 157-165 %A R.E. Stearns %A J. Hartmanis %T On the state assignment problem for sequential machines II %J IRE Transactions on Electonic Computers %J IRE Transactions on Electonic Computers %K ieee_tec %V EC-10 %D December 1961 %P 593-603 %A R.M. Karp %T Some techniques of state assignment for synchronous sequential machines %J IRE Transactions on Electonic Computers %K ieee_tec %V EC-13 %D October 1964 %P 507-518 %A T.A. Dolotta %A E.J. McCluskey %T The coding of internal states of sequential circuits %J IRE Transactions on Electonic Computers %K ieee_tec %V EC-13 %D October 1964 %P 549-562 %A J.H. Tracey %T Internal state assignments for asynchronous sequential machines %J IRE Transactions on Electonic Computers %K ieee_tec %V EC-15 %D August 1966 %P 551-560