TY  - RPRT
TI  - Long-term orbit prediction using two-variable asymptotic expansions and the automated manipulation capabilities of the FORMAC language.
AU  - Barry, B. F.
AU  - Rowe, C. K.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19720057910
ID  - 19720057910
ER  -