. . "Celestial reference systems"@en . _:bnode7authoritiessubjectssh87007146 . _:bnode7authoritiessubjectssh87007146 _:bnode8authoritiessubjectssh87007146 . _:bnode7authoritiessubjectssh87007146 . _:bnode8authoritiessubjectssh87007146 . _:bnode8authoritiessubjectssh87007146 "Celestial reference systems"@en . . . . . "QB147" . . . . _:bnode20authoritiessubjectssh87007146 . _:bnode20authoritiessubjectssh87007146 . _:bnode20authoritiessubjectssh87007146 . _:bnode20authoritiessubjectssh87007146 "Celestial coordinate systems"@en . _:bnode20authoritiessubjectssh87007146 _:bnode25authoritiessubjectssh87007146 . _:bnode25authoritiessubjectssh87007146 _:bnode26authoritiessubjectssh87007146 . _:bnode25authoritiessubjectssh87007146 . _:bnode26authoritiessubjectssh87007146 . _:bnode26authoritiessubjectssh87007146 "Celestial coordinate systems"@en . _:bnode29authoritiessubjectssh87007146 . _:bnode29authoritiessubjectssh87007146 . _:bnode29authoritiessubjectssh87007146 . _:bnode29authoritiessubjectssh87007146 "Celestial frames of reference"@en . _:bnode29authoritiessubjectssh87007146 _:bnode34authoritiessubjectssh87007146 . _:bnode34authoritiessubjectssh87007146 _:bnode35authoritiessubjectssh87007146 . _:bnode34authoritiessubjectssh87007146 . _:bnode35authoritiessubjectssh87007146 . _:bnode35authoritiessubjectssh87007146 "Celestial frames of reference"@en . _:bnode38authoritiessubjectssh87007146 . _:bnode38authoritiessubjectssh87007146 . _:bnode38authoritiessubjectssh87007146 . _:bnode38authoritiessubjectssh87007146 "Celestial reference frames"@en . _:bnode38authoritiessubjectssh87007146 _:bnode43authoritiessubjectssh87007146 . _:bnode43authoritiessubjectssh87007146 _:bnode44authoritiessubjectssh87007146 . _:bnode43authoritiessubjectssh87007146 . _:bnode44authoritiessubjectssh87007146 . _:bnode44authoritiessubjectssh87007146 "Celestial reference frames"@en . _:bnode47authoritiessubjectssh87007146 . _:bnode47authoritiessubjectssh87007146 . _:bnode47authoritiessubjectssh87007146 . _:bnode47authoritiessubjectssh87007146 "Coordinate systems, Celestial"@en . _:bnode47authoritiessubjectssh87007146 _:bnode52authoritiessubjectssh87007146 . _:bnode52authoritiessubjectssh87007146 _:bnode53authoritiessubjectssh87007146 . _:bnode52authoritiessubjectssh87007146 . _:bnode53authoritiessubjectssh87007146 . _:bnode53authoritiessubjectssh87007146 "Coordinate systems, Celestial"@en . _:bnode56authoritiessubjectssh87007146 . _:bnode56authoritiessubjectssh87007146 . _:bnode56authoritiessubjectssh87007146 . _:bnode56authoritiessubjectssh87007146 "Frames of reference, Celestial"@en . _:bnode56authoritiessubjectssh87007146 _:bnode61authoritiessubjectssh87007146 . _:bnode61authoritiessubjectssh87007146 _:bnode62authoritiessubjectssh87007146 . _:bnode61authoritiessubjectssh87007146 . _:bnode62authoritiessubjectssh87007146 . _:bnode62authoritiessubjectssh87007146 "Frames of reference, Celestial"@en . _:bnode65authoritiessubjectssh87007146 . _:bnode65authoritiessubjectssh87007146 . _:bnode65authoritiessubjectssh87007146 . _:bnode65authoritiessubjectssh87007146 "Reference frames, Celestial"@en . _:bnode65authoritiessubjectssh87007146 _:bnode70authoritiessubjectssh87007146 . _:bnode70authoritiessubjectssh87007146 _:bnode71authoritiessubjectssh87007146 . _:bnode70authoritiessubjectssh87007146 . _:bnode71authoritiessubjectssh87007146 . _:bnode71authoritiessubjectssh87007146 "Reference frames, Celestial"@en . _:bnode74authoritiessubjectssh87007146 . _:bnode74authoritiessubjectssh87007146 . _:bnode74authoritiessubjectssh87007146 . _:bnode74authoritiessubjectssh87007146 "Reference systems, Celestial"@en . _:bnode74authoritiessubjectssh87007146 _:bnode79authoritiessubjectssh87007146 . _:bnode79authoritiessubjectssh87007146 _:bnode80authoritiessubjectssh87007146 . _:bnode79authoritiessubjectssh87007146 . _:bnode80authoritiessubjectssh87007146 . _:bnode80authoritiessubjectssh87007146 "Reference systems, Celestial"@en . . . _:bnode85authoritiessubjectssh87007146 . _:bnode85authoritiessubjectssh87007146 . _:bnode85authoritiessubjectssh87007146 "Work cat.: International Astronomical Union. Symposium (128th : 1986 : Coolfont, W. Va.), c1987" . _:bnode85authoritiessubjectssh87007146 "(Celestial reference frames; Celestial reference systems)"@en . _:bnode85authoritiessubjectssh87007146 "found" . _:bnode93authoritiessubjectssh87007146 . _:bnode93authoritiessubjectssh87007146 . _:bnode93authoritiessubjectssh87007146 "NASA" . _:bnode93authoritiessubjectssh87007146 "(Celestial reference systems)"@en . _:bnode93authoritiessubjectssh87007146 "found" . _:bnode101authoritiessubjectssh87007146 . _:bnode101authoritiessubjectssh87007146 . _:bnode101authoritiessubjectssh87007146 "Facts file dict. astron." . _:bnode101authoritiessubjectssh87007146 "(Frame of reference)"@en . _:bnode101authoritiessubjectssh87007146 "found" . _:bnode109authoritiessubjectssh87007146 . _:bnode109authoritiessubjectssh87007146 . _:bnode109authoritiessubjectssh87007146 "Geodesy:" . _:bnode109authoritiessubjectssh87007146 "p. 83-84 (Reference systems: System of reference coordinates to compute and record relative positions of points on the earth's surface)"@en . _:bnode109authoritiessubjectssh87007146 "found" . _:bnode117authoritiessubjectssh87007146 . _:bnode117authoritiessubjectssh87007146 . _:bnode117authoritiessubjectssh87007146 "Web. 3" . _:bnode117authoritiessubjectssh87007146 "(Frame of reference)"@en . _:bnode117authoritiessubjectssh87007146 "found" . _:bnode125authoritiessubjectssh87007146 . _:bnode125authoritiessubjectssh87007146 . _:bnode125authoritiessubjectssh87007146 "Intl. dict. physics & electronics" . _:bnode125authoritiessubjectssh87007146 "(Frame of reference)"@en . _:bnode125authoritiessubjectssh87007146 "found" . _:bnode133authoritiessubjectssh87007146 . _:bnode133authoritiessubjectssh87007146 . _:bnode133authoritiessubjectssh87007146 "Gloss. astron. & astrophysics" . _:bnode133authoritiessubjectssh87007146 "(Frame of reference)"@en . _:bnode133authoritiessubjectssh87007146 "found" . _:bnode141authoritiessubjectssh87007146 . _:bnode141authoritiessubjectssh87007146 . _:bnode141authoritiessubjectssh87007146 "Dict. astron., space & atmos. phen.;Encyc. astron.;McGraw-Hill dict. sci. tech." . _:bnode141authoritiessubjectssh87007146 "notfound" . _:bnode147authoritiessubjectssh87007146 . _:bnode147authoritiessubjectssh87007146 . _:bnode147authoritiessubjectssh87007146 "1987-11-19T00:00:00"^^ . _:bnode147authoritiessubjectssh87007146 "new"^^ . _:bnode147authoritiessubjectssh87007146 . _:bnode154authoritiessubjectssh87007146 . _:bnode154authoritiessubjectssh87007146 . _:bnode154authoritiessubjectssh87007146 "2007-02-28T07:53:30"^^ . _:bnode154authoritiessubjectssh87007146 "revised"^^ . _:bnode154authoritiessubjectssh87007146 .