{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Contingencies of Reinforcement; A Theoretical Analysis","author_name":"B. F. Skinner","thumbnail_url":"https://www.ebooknetworking.net/books/013/171/big0131717286.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0131717286.html\">Contingencies of Reinforcement; A Theoretical Analysis</a>","width":400,"height":300}