TY  - BOOK
AU  -  Gurfil,P
ED  - Seidelmann, P.K
TI  - Celestial mechanics & astrodynamics: theory & practice
T2  - Astrophysics & space science library 436
SN  - 9783662503683
PY  - 2016///
CY  - Heidelberg
PB  - Springer
ER  -