{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Varieties of Formal Languages (Foundations of Computer Science)","author_name":"J.E. Pin","thumbnail_url":"https://www.ebooknetworking.net/books/030/642/big0306422948.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0306422948.html\">Varieties of Formal Languages (Foundations of Computer Science)</a>","width":400,"height":300}