{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tratado elemental de astronomía (Spanish Edition)","author_name":"Luis de-Ribera y-Uruburu","thumbnail_url":"https://www.ebooknetworking.net/books/144/653/big1446539326.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1446539326.html\">Tratado elemental de astronomía (Spanish Edition)</a>","width":400,"height":300}