{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Interferometer measurements of the longer waves in the iron arc spectrum, (Scientific papers of the Bureau of Standards)","author_name":"William Frederick Meggers","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008ALZCY.html\">Interferometer measurements of the longer waves in the iron arc spectrum, (Scientific papers of the Bureau of Standards)</a>","width":400,"height":300}