{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Particulate matter and black smoke concentration levels in central Athens, Greece [An article from: Environment International]","author_name":"A. Chaloulakou, P. Kassomenos, G. Grivas, Spyrelli","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RR/bigB000RR306C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR306C.html\">Particulate matter and black smoke concentration levels in central Athens, Greece [An article from: Environment International]</a>","width":400,"height":300}