{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Rudolf Ortvay Problem Solving Contest in Physics","author_name":"V. Simeonova, N. Nenov","thumbnail_url":"https://www.ebooknetworking.net/books/145/151/big1451517831.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1451517831.html\">Rudolf Ortvay Problem Solving Contest in Physics</a>","width":400,"height":300}