{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"PRACTICAL MATHEMATICS THEORY AND PRACTICE WITH MILITARY AND INDUSTRIAL APPLICATIONS WITH RALPH A HEFNER ON FRONT COVER ISSUE 12 JULY 30 1943","author_name":"R. S. (editor) Kimball","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B004W4107C.html\">PRACTICAL MATHEMATICS THEORY AND PRACTICE WITH MILITARY AND INDUSTRIAL APPLICATIONS WITH RALPH A HEFNER ON FRONT COVER ISSUE 12 JULY 30 1943</a>","width":400,"height":300}