{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Vorlesungen zur Einführung in die Relativitätstheorie.","author_name":"Ernst Richard Neumann","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AZG/bigB00AZG2D40.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AZG2D40.html\">Vorlesungen zur Einführung in die Relativitätstheorie.</a>","width":400,"height":300}