How independent are the appearances of n-mers in different genomes? - Yuriy Fofanov; Yi Luo; Charles Katili; Jim Wang; Yuri Belosludtsev; Thomas Powdrill; Chetan Belapurkar; Viacheslav Fofanov; Tong-Bin Li; Sergei Chumakov; B. Montgomery Pettitt (Bioinform., 2004)