{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Color-Vision and Color-Blindness: A Practical Manual for Railroad Surgeons","author_name":"John Ellis Jennings","thumbnail_url":"https://www.ebooknetworking.net/books/114/409/big1144093988.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1144093988.html\">Color-Vision and Color-Blindness: A Practical Manual for Railroad Surgeons</a>","width":400,"height":300}