{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Least Action Principle of Crystal Formation of Dense Packing Type & the Proof of Kepler's Conjecture","author_name":"Wu Yi Hsiang","thumbnail_url":"https://www.ebooknetworking.net/books/981/024/big9810246706.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9810246706.html\">Least Action Principle of Crystal Formation of Dense Packing Type &amp; the Proof of Kepler&#039;s Conjecture</a>","width":400,"height":300}