1.- Title: Simulations of knotting in confined circular DNA
Author(s): Micheletti C, Marenduzzo D, Orlandini E, et al.
Source: BIOPHYSICAL JOURNAL Volume: 95 Issue: 8 Pages: 3591-3599 Published: OCT 15 2008

2.- Title: Topoisomerase II: a fitted mechanism for the chromatin landscape
Author(s): Roca J
Source: NUCLEIC ACIDS RESEARCH Volume: 37 Issue: 3 Pages: 721-730 Published: FEB 2009

3.- Title: Jones polynomial of knots formed by repeated tangle replacement operations
Author(s): Diao Y, Ernst C, Ziegler U
Source: TOPOLOGY AND ITS APPLICATIONS Volume: 156 Issue: 13 Pages: 2226-2239 Published: AUG 1 2009