On the distribution of intensity in stellar absorption lines, by 75914 Cecilia H. Payne [Author: Cecilia H. Payne] [Author: Harlow Shapley] [Link: https://www.gutenberg.org/ebooks/75914]
Thanks to Richard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) Regards, Jacqueline
