{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Key for the Determination of Rock-Forming Minerals in Thin Sections","author_name":"Albert Johannsen","thumbnail_url":"https://www.ebooknetworking.net/books/123/073/big1230733310.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1230733310.html\">A Key for the Determination of Rock-Forming Minerals in Thin Sections</a>","width":400,"height":300}