%0 Journal Article %A Rybka, E. %T Photographic observations of the light-variation of Eros, made on 12-13 January 1931 %J Prace Matematyczno-Fizyczne %D 1932 %P 11-14 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PMF_1932_39_1_a1/ %G en %F PMF_1932_39_1_a1