{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A gage and recording equipment for measuring dynamic strain in rock","author_name":"Obert, Leonard","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HN/bigB003HNNSCE.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HNNSCE.html\">A gage and recording equipment for measuring dynamic strain in rock</a>","width":400,"height":300}