@article {kwon2007toughness,
	title = {Toughness of high-density polyethylene in shear fracture},
	journal = {International journal of fracture},
	volume = {145},
	number = {2},
	year = {2007},
	pages = {123{\textendash}133},
	publisher = {Springer},
	author = {Kwon, HJ and Jar, P-YB}
}
