{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Is the Universe Open or Closed?: The Density of Matter in the Universe (Cambridge Lecture Notes in Physics)","author_name":"Peter Coles, George Ellis","thumbnail_url":"https://www.ebooknetworking.net/books/052/156/big0521566894.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521566894.html\">Is the Universe Open or Closed?: The Density of Matter in the Universe (Cambridge Lecture Notes in Physics)</a>","width":400,"height":300}