@book{morris1997measurement,
	title={{Measurement and calibration requirements for quality assurance to {ISO} 9000}},
	author={Morris, A.S.},
	year={1997},
	publisher={John Wiley \& Sons Inc}
}

@article{griful1998control,
	title={{El control metrol{\'o}gico y su papel en el aseguramiento de la calidad}},
	author={Griful, E. and Canela, M.},
	journal={Autom{\'a}tica e instrumentaci{\'o}n},
	number={285},
	pages={54},
	year={1998}
}
