{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Effect of ammonia in cyanide solution on copper extraction from a Michigan ore (Report of investigations)","author_name":"A. F Colombo","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007F4I5G.html\">Effect of ammonia in cyanide solution on copper extraction from a Michigan ore (Report of investigations)</a>","width":400,"height":300}