(1)
REY GOZALO, G.; BARRIGÓN MORILLAS, J. M.; GÓMEZ ESCOBAR, V.; VILCHEZ-GÓMEZ, R.; MENDEZ SIERRA, J. A.; CARMONA DEL RIO, F. J.; PRIETO GAJARDO, C. Study of the Categorisation Method Using Long-Term Measurements. Arch. Acoust. 2013, 38 (3), 397–405.