A Syntactic Description and Recognition of Rotary Machine Elements. - Ryszard Jakubowski; Andrzej Kasprzak (IEEE Trans. Computers, 1977)

Extraction of shape features for syntactic recognition of mechanical parts. - Ryszard Jakubowski (IEEE Trans. Syst. Man Cybern., 1985)

A structural representation of shape and its features. - Ryszard Jakubowski (Inf. Sci., 1986)

Decomposition of complex shapes for their structural recognition. - Ryszard Jakubowski (Inf. Sci., 1990)