{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Stress analysis applied to underground mining problems","author_name":"Wilbur I. Duvall","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2WR/bigB002WRGG9I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002WRGG9I.html\">Stress analysis applied to underground mining problems</a>","width":400,"height":300}