{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"James E. Keeler: Pioneer American Astrophysicist: And the Early Development of American Astrophysics","author_name":"Donald E. Osterbrock","thumbnail_url":"https://www.ebooknetworking.net/books/052/152/big0521524806.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521524806.html\">James E. Keeler: Pioneer American Astrophysicist: And the Early Development of American Astrophysics</a>","width":400,"height":300}