TY - JOUR AU - M. Vukićević-Karabin TI - Low Energy Particle Effects Over Belgrade After the Proton Flare of the $7^{th}$ of July, 1966 JO - Publications of the Department of Astronomy PY - 1970 SP - 1 VL - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDA_1970_2_a0/ LA - en ID - PDA_1970_2_a0 ER -