{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":". . . Tables for facilitating the determination of the perturbations of meteors by the earth (Meddelelser fra Ole Romer observatoriet i ararhus)","author_name":"Axel Vilfred Nielsen","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00089N3MU.html\">. . . Tables for facilitating the determination of the perturbations of meteors by the earth (Meddelelser fra Ole Romer observatoriet i ararhus)</a>","width":400,"height":300}