TY  - BOOK
AU  - Kopal,Zdenek
TI  - Figures of equilibrium of celestial bodies: with emphasis on problems of motion of artificial satellites 
T2  - Publication of the Mathematics Research Center, U
AV  - QB361 K66
PY  - 1960///
CY  - Madison, Wis.
PB  - University of Wisconsin
ER  -