The Zoef approach is named after the dutch folk hero Zoef de Haas, fast as lightning but a bit sloppy.
Some of my notes and perlscripts for PDF (Portable Document Format)
My FORTRAN code for Solid Spherical Harmonics and its integrals
My perl IBAN (checksum) calculator (International banking number)
Point and Line Interpolated Surfaces (PaLIS)
BUBBLEGUM (Coupled two-channel unitary and analytic scattering FORTRAN code)
Troubles with my iBook