GEOMAGNETIC FIELD CAMPO GEOMAGNETICO 5 COSMIC RAY DETECTION 4 DETECCION DE RAYOS COSMICOS 4 ANALISIS ESTADISTICO MULTIVARIABLE 3 CAMBIOS GLOBALES 3 CAMPO MAGNETICO TERRESTRE 3 CENOZOICO TARDIO 3 GLOBAL CHANGES 3 LATE CENOZOIC 3 MULTIVARIABLE STATISTICAL ANALYSIS 3 PALEOCLIMA 3 PALEOCLIMATE 3 ACTIVIDAD SOLAR 2 BALLONS 2 ERUPCIONES SOLARES 2 PARTICULAS SOLARES 2 RADIACION SOLAR 2 SOLAR ACTIVITY 2 SOLAR FLARES 2 SOLAR PARTICLES 2 SOLAR RADIATION 2 Cosmic ray ballon measurements at laow geomagnetic latitudes, september 1962 through 1958 1 Cosmic ray intensity variations during the magnetic storm in May 1959 1 DECRECIMIENTO DE FORBUSH 1 DETECTORES DE GEIGER-MUELLER 1 DOSIS DE RADIACION ABSORBIDA 1 ECUACIONES INTEGRALES 1 Enhancement of the X-ray intensity at baloon altitudes in the south american anomally 1 FORBUSH DECREASE 1