@article {11885,
	title = {Patent: Quantitative Process for the Rail Corrugation Spacial and Spectral Classification},
	year = {2016},
	publisher = {FCT-UNL},
	issn = {PT109431},
	author = {Arnaldo Batista and Nuno Barrento and Coito, Fernando and Ortigueira, Manuel}
}
