{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mine Openings: Stability and Support (Developments in Geotechnical Engineering Series Vol 40)","author_name":"Josef Aldorf","thumbnail_url":"https://www.ebooknetworking.net/books/044/499/big0444995250.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0444995250.html\">Mine Openings: Stability and Support (Developments in Geotechnical Engineering Series Vol 40)</a>","width":400,"height":300}