{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Demographic Challenges for the 21st Century: A State of the Art in Demography","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/905/487/big9054874473.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9054874473.html\">Demographic Challenges for the 21st Century: A State of the Art in Demography</a>","width":400,"height":300}