00740nam a2200217Ia 4500003000900000008004100009040001600050080002100066100001700087245010000104260003800204300002300242650004100265650002400306650002400330700002200354700002700376942000700403999001500410952009700425IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a084.4:524.3bMOR  aMorgan, W. W 0aRevised MK spectral atlas for stars earlier than suncW.W. Morgan, H. A. Abt, and J.W. Tapscott  aChicagobYerkes Observatoryc1978  a[various pagings.]  aAstronomy and astrophysics thesaurus  aAtlas - stars91192  aStars - atlas91194  aAbt, H. A.910387  aTapscott, J. W.915032  cBK  c8943d8943  00104070aBANbBANcGENd1987-01-02l0o084.4:524.3/ MORp9830r2021-11-05w1987-01-02yBK