DNA Sequence analysis - Binary tracts:

	Yeast chr.III binary DNA tracts Yeast 10: 603 - 611 (1994).
	Long W tracts in Bacteria Nucleic Acid Research 27: 4491-4450 (1999).
	TRACTS: A program to map oligopurine.oligopyrimidine and other binary DNA tracts Nucleic Acid Research 31: 3682-3687 (2003).
	The Over-reresentation of Binary DNA Tracts in Sequenced Chromosomes BioMed Central Genomics 31: (2004).
	DNA tracts composed of only two bases concentrate in gene promoters Genomics 67: 591-597 (2006).
	E.coli: W tracts, output.
	E.coli: R.Y and K.M tracts, output
	H.influenzae, all 3 binaries