{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Observations of three hundred and twenty-eight variable stars during the years 1906-1910","author_name":"Leon Campbell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3RI/bigB003RISLSK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003RISLSK.html\">Observations of three hundred and twenty-eight variable stars during the years 1906-1910</a>","width":400,"height":300}