01392cz 2200325n 4500 sh87007146 DLC 20070228075330.0 871119|| anannbabn |a ana sh 87007146 DLC DLC DLC QB147 Celestial reference systems Celestial coordinate systems Celestial frames of reference Celestial reference frames Coordinate systems, Celestial Frames of reference, Celestial Reference frames, Celestial Reference systems, Celestial g Coordinates g Geodetic astronomy Work cat.: International Astronomical Union. Symposium (128th : 1986 : Coolfont, W. Va.), c1987 (Celestial reference frames; Celestial reference systems) NASA (Celestial reference systems) Facts file dict. astron. (Frame of reference) Geodesy: p. 83-84 (Reference systems: System of reference coordinates to compute and record relative positions of points on the earth's surface) Web. 3 (Frame of reference) Intl. dict. physics & electronics (Frame of reference) Gloss. astron. & astrophysics (Frame of reference) Dict. astron., space & atmos. phen.; Encyc. astron.; McGraw-Hill dict. sci. tech.