@book{225231,
	author = {Hsiang, Wu Yi, and ProQuest (Firm)},
	title = {Least action principle of crystal formation of dense packing type and the proof of Kepler's conjecture},
	publisher = {World Scientific,},
	year = {2001.},
	address = {Singapore ;},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=183742}
}