{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Physical Work and Effort: Proceedings of the First International Symposium Held at the Wenner-Gren Center, Stockholm, December 2-4, 1975","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1483125467.html\">Physical Work and Effort: Proceedings of the First International Symposium Held at the Wenner-Gren Center, Stockholm, December 2-4, 1975</a>","width":400,"height":300}