{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Planetary Nebulae: Proceedings of the 131st Symposium of the International Astronomical Union, Held in Mexico City, Mexico, October 5-9, 1987 (International Astronomical Union Symposia (Closed))","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/079/230/big0792300033.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0792300033.html\">Planetary Nebulae: Proceedings of the 131st Symposium of the International Astronomical Union, Held in Mexico City, Mexico, October 5-9, 1987 (International Astronomical Union Symposia (Closed))</a>","width":400,"height":300}