Absolute proton fluxes from the sun at rigidity above 1 GV by ground based Data

Miroshnichenko, L.I., Rodríguez-Frías, M. D., L. del Peral, Pérez- Peraza, J. y Vashenyuk, E.V.
Proc. of the Int. Cosmic Ray Conf. XXIV-4, 54-57, 1995.