{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Successful system for signaling from mine cages at rest or in motion","author_name":"Carl. Belser","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3YM/bigB003YMO8BS.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003YMO8BS.html\">Successful system for signaling from mine cages at rest or in motion</a>","width":400,"height":300}