@article {1135,
	title = {Modeling impacts between a continuous system and a rigid obstacle using coefficient of restitution},
	journal = {ASME Journal of Applied Mechanics},
	volume = {77},
	year = {2009},
	pages = {1-7},
	type = {Published},
	author = {C Vyasarayani and John McPhee and S Birkett}
}
