{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"1972 NPRA question & answer session on refinery maintenance","author_name":"National Petroleum Refiners Association","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0878140158.html\">1972 NPRA question &amp; answer session on refinery maintenance</a>","width":400,"height":300}