Unbiased pattern detection in microarray data series. - Sebastian E. Ahnert; Karen Willbrand; Francis C. S. Brown; Thomas M. A. Fink (Bioinform., 2006)

On arithmetic and asymptotic properties of up-down numbers. - Francis C. S. Brown; Thomas M. A. Fink; Karen Willbrand (Discret. Math., 2007)