@article {tzafestas1998robustness,
	title = {Robustness of a spectral assignment method applied to a flexible beam},
	journal = {International Journal of Control},
	volume = {70},
	number = {6},
	year = {1998},
	pages = {859{\textendash}872},
	publisher = {Taylor \& Francis Group},
	author = {Tzafestas, SG and Tzamtzi, MP}
}
