{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Principles of Metallographic Laboratory Practice","author_name":"George L. Kehl","thumbnail_url":"https://www.ebooknetworking.net/books/B00/26Q/bigB0026QFJ6Q.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0026QFJ6Q.html\">The Principles of Metallographic Laboratory Practice</a>","width":400,"height":300}