THE DETERMINATION OF THE ENERGY SPECTRUM AND SIGN OF PRIMARY COSMIC RADIATION - SANDOVAL VALLARTA, MANUEL; PERUSQUIA; OYARZABAL (UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO, INSTITUTO DE FISICA, CD. MEXICO, DF, MEX, 1948)
PHYS REV
Keywords: DETERMINATION, ENERGY, SPECTRUM, SIGN, COSMIC, RADIATION; FISICA; FISICA TEORICA; ENERGIA