{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Das genetische Prinzip in der Mathematik-Didaktik (Klett-Cotta Typoskript) (German Edition)","author_name":"Gert Schubring","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3129291911.html\">Das genetische Prinzip in der Mathematik-Didaktik (Klett-Cotta Typoskript) (German Edition)</a>","width":400,"height":300}