{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Method of Normal Forms","author_name":"Ali H. Nayfeh","thumbnail_url":"https://www.ebooknetworking.net/books/352/741/big352741097X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-352741097X.html\">The Method of Normal Forms</a>","width":400,"height":300}