{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Vorlesungen über Theoretische Optik Gehalten an der Universität zu Königsberg","author_name":"F. Neumann","thumbnail_url":"https://www.ebooknetworking.net/books/110/366/big1103662961.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1103662961.html\">Vorlesungen über Theoretische Optik Gehalten an der Universität zu Königsberg</a>","width":400,"height":300}