HAVIAR, Miroslav. Pixley, A. F.: Boolean universal algebra. In MathSciNet : Mathematical Reviews on the web. 1. vyd. - Providence : American Mathematical Society, 1998. ISSN 2167-5163, 98b:08002, online, mR1404942, pp. [1]. Recenzia na: Boolean universal algebra / A. F. Pixley. - New York : Dekker, 1996. - ISBN 978-0824796068.