{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Metallographic Etching Reagents; I, for Copper: Scientific Papers of the Bureau of Standards, Vol. 16","author_name":"H. S. Rawdon, M. G. Lorentz","thumbnail_url":"https://www.ebooknetworking.net/books/128/920/big128920764X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-128920764X.html\">Metallographic Etching Reagents; I, for Copper: Scientific Papers of the Bureau of Standards, Vol. 16</a>","width":400,"height":300}