{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"North American Tunneling 2006: Proceedings of the North American Tunneling Conference 2006, Chicago, USA, 10-15 June 2006 (Balkema: Proceedings and Monographs in Engineering, Water and Earth Sciences)","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/041/540/big0415401283.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0415401283.html\">North American Tunneling 2006: Proceedings of the North American Tunneling Conference 2006, Chicago, USA, 10-15 June 2006 (Balkema: Proceedings and Monographs in Engineering, Water and Earth Sciences)</a>","width":400,"height":300}