The new Encyclopaedia Britannica. - 15th ed. - Chicago : Encyclopedia Britannica, c 1995. - Vols. : ills. ; 28 cm. V. 19- ( Micropedia : knowledge in depth ) 333 333 ISBN: 0-85229-605-3 Subjects--Topical Terms: Encyclopedias and dictionaries.Ready reference and index. Dewey Class. No.: 032 / N24