Annick Dhooge Willy Govaerts Yuri A. Kuznetsov Numerical Continuation of Branch Points of Limit Cycles in MATCONT. 42-49 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3037&spage=42 2004 conf/iccS/2004-2 International Conference on Computational Science db/conf/iccS/iccS2004-2.html#DhoogeGK04