TY - JOUR AU - D. Djurović AU - D. Stajić TI - Short Period Cyclic Variations of Solar Activity and Their Geophysical Consequences JO - Publications of the Department of Astronomy PY - 1985 SP - 19 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDA_1985_13_a2/ LA - en ID - PDA_1985_13_a2 ER -