Greene, Brian. The elegant universe : superstrings, hidden dimensions,and the quest for the ultimate theory / Brian Greene. - 2nd revised edition. - W. W. Norton & Company, 2003. - 427 p. ; 25 cm. ISBN: 9780393058581 0393058581 Subjects--Topical Terms: Astronomy Dewey Class. No.: 539.7258 / GRE