Issue No. 10 - October (1968 vol. 17)
Abstract?This correspondence discusses the design of counters based on the feedback-shift-register principle, but having input connections which enable the length of the generated sequence to be controlled.
"Variable-Radix Counters Based on Feedback Shift-Registers", IEEE Transactions on Computers, vol. 17, no. , pp. 1000-1002, October 1968, doi:10.1109/TC.1968.226452