{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Free Electron Laser with High Current Density Thermionic Cathode","author_name":"Ward D. Getty","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00EB00BRC.html\">Free Electron Laser with High Current Density Thermionic Cathode</a>","width":400,"height":300}