{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Units and physical constants","author_name":"J. D. Everett","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9YB/bigB009YBJQ5Q.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009YBJQ5Q.html\">Units and physical constants</a>","width":400,"height":300}