{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hochfrequenztechnik und Elektroakustik, Jahrbuch der Drahtlosen Telegraphie und Telephonie. Photocopie; Sach- und Namenregister zu Band 1 bis 50, 1913-1937 ( Photocopy; Subject and Name Index, Volumes 1 thru 50).","author_name":"J. O. Brand","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B004FJ1XP8.html\">Hochfrequenztechnik und Elektroakustik, Jahrbuch der Drahtlosen Telegraphie und Telephonie. Photocopie; Sach- und Namenregister zu Band 1 bis 50, 1913-1937 ( Photocopy; Subject and Name Index, Volumes 1 thru 50).</a>","width":400,"height":300}