{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical Computer-Aided Lens Design","author_name":"Gregory Hallock Smith","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0943396573.html\">Practical Computer-Aided Lens Design</a>","width":400,"height":300}