{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Industrial Ventilation: Engineering Principles","author_name":"Robert Jennings Heinsohn","thumbnail_url":"https://www.ebooknetworking.net/books/047/163/big0471637033.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0471637033.html\">Industrial Ventilation: Engineering Principles</a>","width":400,"height":300}