http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of a symposium held at the University College, Cardiff, Wales, 9-12 July 1974
edited by N. C. Wickramasinghe and D. J. Morgan ; with a pref. by Sir Fred Hoyle.
Astrophysics and space science library ; v. 55