The new encyclopaedia britannica. - 15th ed. - London : Encyclopaedia Britannica, c 2010. - Vols. : ill. ; 28 cm. V. 28- (Macropaedia : Knowledge in depth) ; 314 314 ISBN: 978-1-59339-837-8 Subjects--Topical Terms: Encyclopedia. Dictionary. Dewey Class. No.: 032 / N24