{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tunneling: Short and Long Tunnels of Small and Large Section Driven Through Hard and Soft Materials","author_name":"Eugene Lauchli","thumbnail_url":"https://www.ebooknetworking.net/books/114/697/big1146973942.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146973942.html\">Tunneling: Short and Long Tunnels of Small and Large Section Driven Through Hard and Soft Materials</a>","width":400,"height":300}