The Duffing equation : nonlinear oscillators and their phenomena / edited by Ivana Kovacic, Michael J. Brennan - Chichester, West Sussex, U. K. ; Hoboken, N. J. : Wiley, c2011 - xvi, 369 p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: 9780470715499 Subjects--Topical Terms: Duffing equationsNonlinear oscillators--Mathematical models