Photometric Measurements of the Variable Stars Β Persei and DM. 81 25, Made at the Harvard College Observatory (Classic Reprint)

by Edward Charles Pickering

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  • ISBN10 1396435476
  • ISBN13 9781396435478
  • Publish Date 26 September 2018
  • Publish Status Active
  • Publish Country GB
  • Imprint Forgotten Books
  • Format Hardcover
  • Pages 38
  • Language English