{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The fixation of atmospheric nitrogen by sweet clover","author_name":"Leonard Amby Maynard 1887- [from old catalog]","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3R5/bigB003R50C26.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003R50C26.html\">The fixation of atmospheric nitrogen by sweet clover</a>","width":400,"height":300}