A Digital System Design Language (DDL). - James R. Duley; Donald L. Dietmeyer (IEEE Trans. Computers, 1968)

Translation of a DDL Digital System Specification to Boolean Equations. - James R. Duley; Donald L. Dietmeyer (IEEE Trans. Computers, 1969)

Three Decades of HDLs: Part I, CDL Through TI-HDL. - Yaohan Chu; Donald L. Dietmeyer; James R. Duley; Fredrick J. Hill; Mario Barbacci; Charles W. Rose; Greg M. Ordy; Bill Johnson; Martin Roberts (IEEE Des. Test Comput., 1992)