TY  - BOOK
AU  - Dubi͡a︡go,A.D.
AU  - Burke,R.D.
AU  - Gordon,G.
AU  - Rowell,L .N.
TI  - The determination of orbits
U1  - 523.4 DUB 
PY  - 1961///.
CY  - New York : 
PB  - The Macmillan Company
KW  - Orbits
N1  - "This translation was prepared as part of the continuing program of research undertaken for the U.S. Air Force by the Rand Corporation."
ER  -