{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Leitfaden der Mechanik: Elementares Lehrbuch für technische Mittelschulen und zum Selbstunterricht (German Edition)","author_name":"Rudolf. Lauenstein","thumbnail_url":"https://www.ebooknetworking.net/books/B00/381/bigB00381B9S0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00381B9S0.html\">Leitfaden der Mechanik: Elementares Lehrbuch für technische Mittelschulen und zum Selbstunterricht (German Edition)</a>","width":400,"height":300}