APPLICATIONS 731.211 731.212 Applications of mathematics in biology and medicine : Proceedings of the IV National Conference, Zwierzyniec September 15-18, 1998 / [ed. by Urszula Foryś, Mirosław Lachowicz, Jacek Waniewski ; Sci. Comm. Adam Łomnicki - chairman et al. ; org. by Institute of Biocybernetics and Biomedical Engineering Polish Academy of Sciences ; Department of Mathematics, Informatics and