{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hardrock Tunnel Boring Machines","author_name":"Bernhard Maidl, Leonhard Schmid, Willy Ritz, Martin Herrenknecht","thumbnail_url":"https://www.ebooknetworking.net/books/343/301/big3433016763.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3433016763.html\">Hardrock Tunnel Boring Machines</a>","width":400,"height":300}