1996. English version of [?].
@book{tesi-dott-ingl-1996,
title = "Unrestricted and Finite Model Reasoning in Class-Based
Representation Formalisms ",
year = "1996",
author = "Diego Calvanese",
number = "VIII-96-2",
publisher = "Università di Roma "La Sapienza"",
series = "Collana tesi del Dottorato di Ricerca in Informatica",
note = "English version of [?]",
}