{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Metropolitan and Nonmetropolitan Areas: New Approaches to Geographical Definition: Population Division Working Paper No. 12","author_name":"Donald C. Dahmann, James D. Fitzsimmons","thumbnail_url":"https://www.ebooknetworking.net/books/128/913/big1289139784.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1289139784.html\">Metropolitan and Nonmetropolitan Areas: New Approaches to Geographical Definition: Population Division Working Paper No. 12</a>","width":400,"height":300}