astro-ph.SR astro-ph.HE physics.space-ph
Cosmic ray north-south anisotropy: rigidity spectrum and solar cycle variations observed by ground-based muon detectors
M. Kozai Y. Hayashi K. Fujii K. Munakata C. Kato N. Miyashita A. Kadokura R. Kataoka S. Miyake M. L. Duldig J. E. Humble K. Iwai