The paper  Flux of Atmospheric Neutrinos by T.K. Gaisser and M. Honda
will appear in vol. 52 (2002) of Annual Reviews of Nuclear and Particle Science.
A preliminary version is posted as hep-ph/0203272.  The published article is
Ann. Rev. Nucl. Part. Sci. 2002 52:153-99

The  presentation ,  based on the Review, is an invited talk presented
at Neutrino 2002, Munich.

I gave a particle physics seminar at Oxford, October 29, 2002