{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Transportation Economics","author_name":"Kenneth D. Boyer","thumbnail_url":"https://www.ebooknetworking.net/books/032/101/big0321011031.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0321011031.html\">Principles of Transportation Economics</a>","width":400,"height":300}