We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleQuantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series.AuthorsPeng, C.-K.; Havlin, Shlomo; Stanley, H. EugenePublicationChaos, 1995, Vol 5, Issue 1, p82ISSN1054-1500Publication typearticleDOI10.1063/1.166141