{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Contingencies of reinforcement;: A theoretical analysis (The Century psychology series)","author_name":"B. F Skinner","thumbnail_url":"https://www.ebooknetworking.net/books/039/081/big0390812803.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0390812803.html\">Contingencies of reinforcement;: A theoretical analysis (The Century psychology series)</a>","width":400,"height":300}