00472nam a2200157Ia 4500003000900000008004100009040001600050080001600066100003000082245006800112260003600180300001500216650004100231650002300272650001900295IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a524.33bPAY  aPayne-Gaposchkin, Cecilia 0aVariable stars and galactic structurecCecilia Payne-Gaposchkin  aLondonbThe Athlone Pressc1954  axii, 116p.  aAstronomy and astrophysics thesaurus  aGalactic structure  aVariable stars