{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Proceedings of the 5th U.S. Mine Ventilation Symposium: June 3-5, 1991, West Virginia University, Morgantown, Wv","author_name":"Mine Ventilation Symposium (5th : 1991 : West Virginia University), Y. J. Wang","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0873350995.html\">Proceedings of the 5th U.S. Mine Ventilation Symposium: June 3-5, 1991, West Virginia University, Morgantown, Wv</a>","width":400,"height":300}