[by] Jerrold E. Marsden ; with the assistance of Michael Buchner, Michael Hoffman [and] Clifford Risk. by Thomas B. Nelson, with the assistance of Hans B. Lockhoven. Laurence Perrine with the assistance of Thomas R. Arp. Steven I. Hajdu, with the assistance of Eva M. Hajdu. edited by S. D. Lee ; with the assistance of Bruce Peirano.