{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The First Systems Of Weighted Differential And Integral Calculus","author_name":"Michael Grossman & Robert Katz Jane Grossman","thumbnail_url":"https://www.ebooknetworking.net/books/097/711/big0977117014.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0977117014.html\">The First Systems Of Weighted Differential And Integral Calculus</a>","width":400,"height":300}