{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Improved design of tunnel supports: V.4 : tunneling practices in Austria and Germany : final report (Report - Dept. of Transportation ; no. DOT-TSC-UMTA-80-27.IV)","author_name":"Walter Steiner","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0006XJ1M4.html\">Improved design of tunnel supports: V.4 : tunneling practices in Austria and Germany : final report (Report - Dept. of Transportation ; no. DOT-TSC-UMTA-80-27.IV)</a>","width":400,"height":300}