Kimura, Wakamatsu, Suzuki et al.: "Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes. ..." in: Genome research, Vol. 16, Issue 1, pp. 55-65, 2006 (PubMed).
Strausberg, Feingold, Grouse et al.: "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. ..." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 99, Issue 26, pp. 16899-903, 2002 (PubMed).