Computing the preliminary ephemeris of a comet from three observations

Main Author: Γούδας, Κωνσταντίνος Λ.
Other Authors: Αντωνακόπουλος, Γ.
Format: Book
Language:English
Published: Athens [s.n.] 1962
Subjects:
Item Description:Memoirs of the National Observatory of Athens, Ser. I, Astr. No 9