@article{Piskorski:2011,
author
=
"J.Piskorski and P.Guzik",
title
=
"The structure of heart rate asymmetry: deceleration and acceleration runs",
journal
=
"Physiological Measurement",
volume
=
"Vol. 32",
number
=
"no 8",
pages
=
"1011--1023",
year
=
"2011",
}