@incollection{ hajn:95a, editor = "Bolc, Leonard and Szałas, Andrzej", author = "Hajnicz, Elżbieta", publisher = "UCL Press", title = "An analysis of structure of time in the first order predicate calculus", booktitle = "Time and Logic. {A} computational approach", year = "1995", address = "London", pages = "279--322" }