@article {25836,
	title = {Coupled vibration response of a shaft with a breathing crack},
	journal = {Journal of Sound and Vibration},
	volume = {336},
	year = {2015},
	pages = {191-206},
	publisher = {Academic Press},
	isbn = {0022-460X},
	author = {Giannopoulos, GI and Georgantzinos, SK and Anifantis, NK}
}
