{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hypergraph seminar","author_name":"Ohio State University, 1972. Berge, Claude, ; Ray-Chaudhuri, Dijen, Working Seminar on Hypergraphs","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0387068465.html\">Hypergraph seminar</a>","width":400,"height":300}