Subhash C. Bagui Sikha Bagui Kuhu Pal Nikhil R. Pal Breast cancer detection using rank nearest neighbor classification rules. 25-34 2003 36 Pattern Recognition 1 http://dx.doi.org/10.1016/S0031-3203(02)00044-4 db/journals/pr/pr36.html#BaguiBPP03