{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Directionality of Helicopter Noise and Its Exploitation.","author_name":"Martin V. Lowson","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00HCTRYTM.html\">Directionality of Helicopter Noise and Its Exploitation.</a>","width":400,"height":300}