{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Units and Physical Constants 1879 [Hardcover]","author_name":"Joseph David Everett","thumbnail_url":"https://www.ebooknetworking.net/books/B01/1CA/bigB011CATUUC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B011CATUUC.html\">Units and Physical Constants 1879 [Hardcover]</a>","width":400,"height":300}