{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Burn Chambers for Rocket Mass Heaters: A short introduction to 4 types of burns chambers for rocket mass heaters","author_name":"Ray Dudley, Randi Dudley","thumbnail_url":"https://www.ebooknetworking.net/books/B00/KEC/bigB00KEC3ERA.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00KEC3ERA.html\">Burn Chambers for Rocket Mass Heaters: A short introduction to 4 types of burns chambers for rocket mass heaters</a>","width":400,"height":300}