{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Proceedings of a conference on highway traffic regulation held at Yale university under the auspices of the Highway and highway transport education committee, May 23, 1921","author_name":"Conference on highway engineering and highway transport education (Regional)","thumbnail_url":"https://www.ebooknetworking.net/books/B00/313/bigB00313JRWK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00313JRWK.html\">Proceedings of a conference on highway traffic regulation held at Yale university under the auspices of the Highway and highway transport education committee, May 23, 1921</a>","width":400,"height":300}