{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tungsten recovery from low-grade concentrates by amine solvent extraction","author_name":"Philip E. Churchward","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HN/bigB003HNNWK2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HNNWK2.html\">Tungsten recovery from low-grade concentrates by amine solvent extraction</a>","width":400,"height":300}