Issue No.08 - August (1980 vol.29)
Ya.I. Fet , Institut Matematiki Sibirskogo, Otdelenija Akademii Nauk SSSR
In the above paper<sup>1</sup>the authors presented (with a reference to an earlier thesis  inaccessible to me) a cellular array implementing the following basic searches: equality searches, similarity searches, threshold searches, and extremum searches.
Ya.I. Fet, "Comments on "A Design of a Fast Cellular Associative Memory for Ordered Retrieval"", IEEE Transactions on Computers, vol.29, no. 8, pp. 756-757, August 1980, doi:10.1109/TC.1980.1675664