{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The ion storage technique for application in frequency standards","author_name":"Helmut. Hellwig","thumbnail_url":"https://www.ebooknetworking.net/books/B00/41K/bigB0041KL6VC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0041KL6VC.html\">The ion storage technique for application in frequency standards</a>","width":400,"height":300}