{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Formal Design for Three-Dimensional Spatial Data in Database Systems: A Spatial Data Model","author_name":"Brian E. Weinrich","thumbnail_url":"https://www.ebooknetworking.net/books/383/833/big3838335449.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3838335449.html\">A Formal Design for Three-Dimensional Spatial Data in Database Systems: A Spatial Data Model</a>","width":400,"height":300}