{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mine power distribution: Proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975","author_name":"Bureau of Mines Technology Transfer Seminar","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2W6/bigB002W6YYMU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002W6YYMU.html\">Mine power distribution: Proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975</a>","width":400,"height":300}