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@article{PDA_1980_10_1_a0, author = {Ladislav Sehnal}, title = {The {Earth} {Upper} {Atmosphere} and the {Motion} of the {Artificial} {Satellites}}, journal = {Publications of the Department of Astronomy}, pages = {5 - 13}, publisher = {mathdoc}, volume = {10}, number = {1}, year = {1980}, url = {http://geodesic.mathdoc.fr/item/PDA_1980_10_1_a0/} }
Ladislav Sehnal. The Earth Upper Atmosphere and the Motion of the Artificial Satellites. Publications of the Department of Astronomy, Tome 10 (1980) no. 1. http://geodesic.mathdoc.fr/item/PDA_1980_10_1_a0/