{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sag calculations by the use of Martin's tables","author_name":"James S Martin","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007G02QE.html\">Sag calculations by the use of Martin&#039;s tables</a>","width":400,"height":300}