Issue No. 03 - March (1969 vol. 18)
F.C. Davis , Engrg. Physics Lab. Engrg. Research Div. E. I. duPont de Nemours and Co.
In Renschler's short note1 the variable counter (Fig. 3) and divide-by-N counter (Fig. 4) could be simplified in terms of the number of logic elements involved and the total cost to implement.
F.C. Davis, "Comment on "A Variable Counter Design Technique"", IEEE Transactions on Computers, vol. 18, no. , pp. 281, March 1969, doi:10.1109/T-C.1969.222647