{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Compression tests of roof-salt slabs supported by potash salt pillars","author_name":"H. P. Greenwald","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3YJ/bigB003YJGE72.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003YJGE72.html\">Compression tests of roof-salt slabs supported by potash salt pillars</a>","width":400,"height":300}