00315nam a2200109Ia 4500082001900000100003800019245003100057260004800088300003200136500000500168700003200173  a530.2bP436.ID  aPercival, Ian and Richards, Derek  aIntroduction to dynamicsb  aCambridgebCambridge University Pressc1982  aviii, 228p. Index, Appendix  a  aRichards, Derek ; jt. auth.