{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Fisica Feynman Vol II (Feynman, volumen II Electromagnetismo y materia.)","author_name":"Leighton and Sands. Feynman","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9EX/bigB009EXAPOA.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009EXAPOA.html\">Fisica Feynman Vol II (Feynman, volumen II Electromagnetismo y materia.)</a>","width":400,"height":300}