{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geometric optics;: The matrix theory","author_name":"J. Warren Blaker","thumbnail_url":"https://www.ebooknetworking.net/books/082/471/big0824710460.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0824710460.html\">Geometric optics;: The matrix theory</a>","width":400,"height":300}