{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Railway signalling systems,","author_name":"John R.Day and B.K.Cooper","thumbnail_url":"https://www.ebooknetworking.net/books/B00/6RL/bigB006RLHQZ8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B006RLHQZ8.html\">Railway signalling systems,</a>","width":400,"height":300}