{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Rock preconditioning to prevent rock bursts: Report on a field demonstration","author_name":"William J. Karwoski","thumbnail_url":"https://www.ebooknetworking.net/books/B00/37C/bigB0037CFET0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0037CFET0.html\">Rock preconditioning to prevent rock bursts: Report on a field demonstration</a>","width":400,"height":300}