{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Energy-efficient ventilation for apartment buildings","author_name":"Richard C. Feustel, Helmuth. ; Matson, Nance. ; United States. Diamond","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007ERSP90.html\">Energy-efficient ventilation for apartment buildings</a>","width":400,"height":300}