{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Essentials of refraction (Vol-1)","author_name":"Thomas G. Atkinson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/7ZL/bigB007ZLWS6G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007ZLWS6G.html\">Essentials of refraction (Vol-1)</a>","width":400,"height":300}