1. K. Brakke (further devel. by J. Sullivan), EVOLVER, Program for visualizing and energy minimizing knots, Geometry Center, University of Minnesota.
2. On the energy and length of a knot;Buck,1996
3. A simple energy function for knots;Buck;Topology Appl.,1995
4. Computing canonical conformations of knots;Buck;Topology Appl.,1993
5. Knots as dynamical systems;Buck;Topology Appl.,1993