{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Spatial and time variations of radon-222 concentration in the atmosphere of a dead-end horizontal tunnel [An article from: Journal of Environmental Radioactivity]","author_name":"P. Richon, F. Perrier, J.C. Sabroux, M. Trique, Fe","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR0EBQ.html\">Spatial and time variations of radon-222 concentration in the atmosphere of a dead-end horizontal tunnel [An article from: Journal of Environmental Radioactivity]</a>","width":400,"height":300}