{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"U.S. Department of Commerce National Bureau of Commerce NBS Special Publication 343: Precision Measurement and Fundamental Constants","author_name":"E. Ambler","thumbnail_url":"https://www.ebooknetworking.net/books/B00/HQ4/bigB00HQ4PNYG.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00HQ4PNYG.html\">U.S. Department of Commerce National Bureau of Commerce NBS Special Publication 343: Precision Measurement and Fundamental Constants</a>","width":400,"height":300}