{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An algorithm for a general class of routine problems derived from Huygens' principle (NASA technical note)","author_name":"Lee M Avis","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000727ZC2.html\">An algorithm for a general class of routine problems derived from Huygens&#039; principle (NASA technical note)</a>","width":400,"height":300}