{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"General Relativity and Gravitation, 1989: Proceedings of the 12th International Conference on General Relativity and Gravitation","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0511564171.html\">General Relativity and Gravitation, 1989: Proceedings of the 12th International Conference on General Relativity and Gravitation</a>","width":400,"height":300}