A Homomorphism Theorem for Data Base Mappings. - Michael Spyratos (Inf. Process. Lett., 1982)

Information Theoretic Aspects of Data Bases. - Serge Abiteboul; Michael Spyratos; Nicolas Spyratos (PODS, 1983)

Minimal colorings for properly colored subgraphs. - Yannis Manoussakis; Michael Spyratos; Zsolt Tuza; Margit Voigt (Graphs Comb., 1996)

Cycles of given color patterns. - Yannis Manoussakis; Michael Spyratos; Zsolt Tuza (J. Graph Theory, 1996)