TY  - JOUR
AU  - Ladislav Sehnal
TI  - The Earth Upper Atmosphere and the Motion of the Artificial Satellites
JO  - Publications of the Department of Astronomy
PY  - 1980
SP  - 5 
EP  -  13
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PDA_1980_10_1_a0/
ID  - PDA_1980_10_1_a0
ER  -