@conference {1483,
	title = {Instantaneous estimation of high-order nonlinear heartbeat dynamics by Lyapunov exponents},
	booktitle = {2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
	year = {2012},
	pages = {13{\textendash}16},
	publisher = {IEEE},
	organization = {IEEE},
	keywords = {Bioengineering},
	author = {L. Citi and G. Valenza and R. Barbieri}
}
