A Multiple-Valued Content-Addressable Memory Using Logic-Value Conversion and Threshold Functions.

Satoshi Aragaki Takahiro Hanyu Tatsuo Higuchi A Multiple-Valued Content-Addressable Memory Using Logic-Value Conversion and Threshold Functions. 170-175 1993 ISMVL db/conf/ismvl/ismvl1993.html#AragakiHH93