D. Radomski Antony Grzanka S. Graczyk Artur Przelaskowski Assessment of Uterine Contractile Activity during a Pregnancy Based on a Nonlinear Analysis of the Uterine Electromyographic Signal. 325-331 2008 Information Technologies in Biomedicine http://dx.doi.org/10.1007/978-3-540-68168-7_37 series/asc/2008-47 db/series/asc/asc47.html#RadomskiGGP08