SCI REF Provides definitions of terms in all branches of astronomy. Encyclopedias Astronomy and Astrophysics Encyclopedia . Stephen P. Maran, editor. Van Nostrand Reinhold, 1992. SCI REF Detailed entries covering all areas of astronomy and astrophysics.
Most entries contain bibliographies.
Comprehensive index permits precise access. Oxford Illustrated Encyclopedia of the Universe . Archie Roy, editor. Oxford University Press, 1992. Appendices include data labels.