UCSC genome browser tutorial
Ann S. Zweig, Donna Karolchik, Robert M. Kuhn, David Haussler, W. James Kent
Volume 92, Issue 2, Pages 75-84, August 2008

  Genomic differences between type strain PG1 and field strains of Mycoplasma mycoides subsp. mycoides small-colony type
Daniela F. Bischof, Edy M. Vilei and Joachim Frey
Volume 88, Issue 5, Pages  633-641, November 2006