Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Royal Society (Great Britain). Discussion Meeting and Berry, M. V. and Percival, Ian and Weiss, N. O.",Dynamical chaos : proceedings of a Royal Society Discussion Meeting held on 4 and 5 February 1987,,Princeton University Press,1987,Princeton paperbacks,,0691085196,,https://cir.nii.ac.jp/crid/1130000795901318912