{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The strength, fracture and workability of coal: A monograph on basic work on coal winning carried out by the Mining Research Establishment, National Coal Board","author_name":"Ivor Evans","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07B/bigB0007B2EJM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007B2EJM.html\">The strength, fracture and workability of coal: A monograph on basic work on coal winning carried out by the Mining Research Establishment, National Coal Board</a>","width":400,"height":300}