On the Realization of Functions in N-Valued Logic. - Leo Sintonen (IEEE Trans. Computers, 1972)

A Clocked Multivalued Flip-Flop. - Leo Sintonen (IEEE Trans. Computers, 1977)

The hierarchy of communication networks in the programmable assembly cell: an experimental framework. - Pertti Puusaari; Leo Sintonen; Tapio Virvalo (IEEE Netw., 1988)