{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Supplementary Notes to the Atlas Stellarum Variabilium 1901 [Hardcover]","author_name":"D. C. ), Johann G . Hagen Georgetown College Observatory (Washington","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B012ARXT12.html\">Supplementary Notes to the Atlas Stellarum Variabilium 1901 [Hardcover]</a>","width":400,"height":300}