{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Die trigonometrischen und polygonometrischen rechnungen in der feldmeszkunst (Volume 2) (German Edition)","author_name":"F. G. Gauss","thumbnail_url":"https://www.ebooknetworking.net/books/B00/39R/bigB0039RH7WU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0039RH7WU.html\">Die trigonometrischen und polygonometrischen rechnungen in der feldmeszkunst (Volume 2) (German Edition)</a>","width":400,"height":300}