• poster [cached, the original was removed]

• Werner Krandick's combinatorial gem

• Efficient isolation of polynomial's real roots by Fabrice Rouillier and Paul Zimmermann

• Jean-Luc Remy's bijection from the book
  [   that the number of full binary trees with n internal vertices is the Catalan number (2n)!/(n!(n+1)!)   ] .

• Krandick.txt , a Maple package

Doron Zeilberger's Home Page