@article{PDA_1976_6_a23, author = {R. Gruji\'c}, title = {Differences in the {Latitude} {Values} {Obtained} by {Different} {Observers} at the {Astronomical} {Observatory} in {Belgrade}}, journal = {Publications of the Department of Astronomy}, pages = {135 }, publisher = {mathdoc}, volume = {6}, year = {1976}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PDA_1976_6_a23/} }