Quasiperiodical Variations of Isotropic Flux and N-S Asymmetry of Cosmic Rays Zhantuarova, R. B. ; Kolomeets, E. V. ; Lyakhova, A. Kh. ; Stekol'nikov, N. V. Abstract Publication: International Cosmic Ray Conference Pub Date: 1987 Bibcode: 1987ICRC....3..337Z