{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Design, Installation, Commissioning and Maintenance of Voice Alarm Systems. A Guide to BS 5839-8:2013 by Douglas F Mason (2013-07-31)","author_name":"Douglas F Mason;Colin S Todd","thumbnail_url":"https://www.ebooknetworking.net/books/B01/K91/bigB01K91JV6S.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01K91JV6S.html\">The Design, Installation, Commissioning and Maintenance of Voice Alarm Systems. A Guide to BS 5839-8:2013 by Douglas F Mason (2013-07-31)</a>","width":400,"height":300}