{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles and Practices of Modern Coal Mining","author_name":"R. D. Singh","thumbnail_url":"https://www.ebooknetworking.net/books/812/240/big8122409741.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-8122409741.html\">Principles and Practices of Modern Coal Mining</a>","width":400,"height":300}