%0 Journal Article %A R. Grujić %T Differences in the Latitude Values Obtained by Different Observers at the Astronomical Observatory in Belgrade %J Publications of the Department of Astronomy %D 1976 %P 135 - 136 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDA_1976_6_1_a23/ %F PDA_1976_6_1_a23