{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Signals & Systems","author_name":"Alan S Willsky,S Hamid Nawab Alan V Oppenheim","thumbnail_url":"https://www.ebooknetworking.net/books/B07/DMY/bigB07DMYW72Q.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B07DMYW72Q.html\">Signals &amp; Systems</a>","width":400,"height":300}