00581nam a2200193Ia 4500003000900000008004100009020001800050040001600068080002200084245007700106260004200183300001800225650001400243650004100257650002800298650001900326700001900345700002300364IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0674-3  cIIA Library  a082.2:52bIAU-S72 0aAbundance effects in classificationcedited by B. Hauck and P.C. Keenan.  aDordrechtbD. Reidel Publishingc1976  axxviii, 264p.  aAbundance  aAstronomy and Astrophysics Thesaurus  aSpectral classification  aSpectral types  aHauck, B., ed.  aKeenan, P. C., ed.