{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Four-body problem with collision singularity.","author_name":"Duokui Yan","thumbnail_url":"https://www.ebooknetworking.net/books/124/409/big1244092398.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1244092398.html\">Four-body problem with collision singularity.</a>","width":400,"height":300}