Algorithm Citation:
Not given, but presumably Kay Hofmann and Michael
D. Baron. Program Citation:
NCSA Computational Biology; a C-program based on
the Pascal BOXSHADE program (version 3.x) by Kay Hofmann
and Michael D. Baron, and given to the public domain by
them; any reference should cite this origin.
Copyright (C) 1997, Board of Trustees of the
University of Illinois.