{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optics of Charged Particles","author_name":"Hermann Wollnik","thumbnail_url":"https://www.ebooknetworking.net/books/012/762/big012762130X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-012762130X.html\">Optics of Charged Particles</a>","width":400,"height":300}