{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Overcoring equipment and techniques used in rock stress determination","author_name":"Verne E. Hooker","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3Z4/bigB003Z4JHJ8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003Z4JHJ8.html\">Overcoring equipment and techniques used in rock stress determination</a>","width":400,"height":300}