{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The theory of errors and method of least squares","author_name":"William Woolsey Johnson","thumbnail_url":"https://www.ebooknetworking.net/books/117/162/big1171627378.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1171627378.html\">The theory of errors and method of least squares</a>","width":400,"height":300}