{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Die logischen principien der zeitmessung (German Edition)","author_name":"Joseph Hermann Leopold Epstein","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HK/bigB003HKQZE0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HKQZE0.html\">Die logischen principien der zeitmessung (German Edition)</a>","width":400,"height":300}