@article {kwon2006toughness,
	title = {Toughness of high-density polyethylene in plane-strain fracture},
	journal = {Polymer Engineering \& Science},
	volume = {46},
	number = {10},
	year = {2006},
	pages = {1428{\textendash}1432},
	publisher = {Wiley Online Library},
	author = {Kwon, HJ and Jar, P-YB}
}
