NOVAE IN THE SPIRAL NEBULAE AND THE ISLAND UNIVERSE THEORY (original) (raw)

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Heber D. Curtis

© 1917. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A.
Publications of the Astronomical Society of the Pacific,Volume 29,Number 171Citation Heber D. Curtis 1917 PASP 29 206DOI 10.1086/122632

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Heber D. Curtis

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Heber D. Curtis