Fei Ma Mariusz Bajger Murk J. Bottema Robustness of Two Methods for Segmenting Salient Features in Screening Mammograms. 112-117 2007 DICTA http://dx.doi.org/10.1109/DICTA.2007.4426784 conf/dicta/2007 db/conf/dicta/dicta2007.html#MaBB07