{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Course of Mathematics for Engineerings and Scientists: Volume 4","author_name":"Chirgwin, Brian H.","thumbnail_url":"https://www.ebooknetworking.net/books/148/312/big1483122387.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1483122387.html\">A Course of Mathematics for Engineerings and Scientists: Volume 4</a>","width":400,"height":300}