{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Klystrons, Traveling Wave Tubes, Magnetrons, Cross-Field Amplifiers, and Gyrotrons (Artech House Microwave Library)","author_name":"A. S. Gilmour","thumbnail_url":"https://www.ebooknetworking.net/books/160/807/big1608071847.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1608071847.html\">Klystrons, Traveling Wave Tubes, Magnetrons, Cross-Field Amplifiers, and Gyrotrons (Artech House Microwave Library)</a>","width":400,"height":300}