Glaus, Peter, Honkela, Antti, Rattray, Magnus (2012). “Identifying differentially expressed transcripts from RNA-seq data with biological variation.” Bioinformatics, 28(13), 1721-1728. doi: 10.1093/bioinformatics/bts260, http://bioinformatics.oxfordjournals.org/content/28/13/1721.abstract.