{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Building for Eternity: The History and Technology of Roman Concrete Engineering in the Sea","author_name":"C.J. Brandon, R.L. Hohlfelder, M.D. Jackson, J.P. Oleson","thumbnail_url":"https://www.ebooknetworking.net/books/178/297/big1782974202.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1782974202.html\">Building for Eternity: The History and Technology of Roman Concrete Engineering in the Sea</a>","width":400,"height":300}