MacMath 9.2 - a dynamical systems software package for the Macintosh. - John H. Hubbard; Beverly H. West (Springer, 1993)

The Convergence of an Euler Approximation of an Initial Value Problem Is Not Always Obvious. - John H. Hubbard; Samer S. Habre; Beverly H. West (Am. Math. Mon., 2001)