"The second international conference on "Symmetries and Integrability of Difference Equations" (SIDE II) was held at the University of Kent at Canterbury, July 1-5, 1996 ... of which the present volume gives an account..." _ Preface.
Symmetries and integrability of difference equations. ISBN 0521596998. Published by Cambridge University Press in 1999. Publication and catalogue information, links to buy online and reader comments.