@article{PDA_1973_4_a0,
     author = {G. Teleki},
     title = {Astronomical {Refraction} {Investigations} {Today}},
     journal = {Publications of the Department of Astronomy},
     pages = {5 },
     publisher = {mathdoc},
     volume = {4},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDA_1973_4_a0/}
}