A Filed Programmable Analog Array for Continuous, Fuzzy, and Multi-Valued Logic Applications. - Edmund Pierzchala; Marek A. Perkowski; Stan Grygiel (ISMVL, 1994)

Cube Diagram Bundles: A New Representation of Strongly Unspecified Multiple-Valued Functions and Relations. - Stan Grygiel; Marek A. Perkowski; Malgorzata Marek-Sadowska; Tadeusz Luba; Lech Józwiak (ISMVL, 1997)

Decomposition of Multiple-Valued Relations . - Marek A. Perkowski; Malgorzata Marek-Sadowska; Lech Józwiak; Tadeusz Luba; Stan Grygiel; Miroslawa Nowicka; Rahul Malvi; Zhi Wang; Jin S. Zhang (ISMVL, 1997)

New compact representation of multiple-valued functions, relations, and non-deterministic state machines. - Stan Grygiel; Marek A. Perkowski (ICCD, 1998)

Graph Coloring Algorithms for Fast Evaluation of Curtis Decompositions. - Marek A. Perkowski; Rahul Malvi; Stan Grygiel; Michael Burns; Alan Mishchenko (DAC, 1999)

Labeled rough partitions - a new general purpose representation for multiple-valued functions and relations. - Stan Grygiel; Marek A. Perkowski (J. Syst. Archit., 2001)