{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tables for regional and local isostatic reduction (Airy system) for gravity values T=20 km, 30 km and 40 km, R=O km, 29.05 km, 58.10 km, 116.20 km, 174.30 km and 232.40 km","author_name":"F. A. Netherlands. Vening Meinesz","thumbnail_url":"https://www.ebooknetworking.net/books/B00/7Q9/bigB007Q9W9LQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007Q9W9LQ.html\">Tables for regional and local isostatic reduction (Airy system) for gravity values T=20 km, 30 km and 40 km, R=O km, 29.05 km, 58.10 km, 116.20 km, 174.30 km and 232.40 km</a>","width":400,"height":300}