{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Logic with Special Reference to the Natural Numbers","author_name":"S. W. P. Steen","thumbnail_url":"https://www.ebooknetworking.net/books/052/109/big052109058X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-052109058X.html\">Mathematical Logic with Special Reference to the Natural Numbers</a>","width":400,"height":300}