%0 Journal Article %A D. Djurović %A D. Stajić %T Short Period Cyclic Variations of Solar Activity and Their Geophysical Consequences %J Publications of the Department of Astronomy %D 1985 %P 19 - 25 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDA_1985_13_1_a2/ %F PDA_1985_13_1_a2