    @article {PATENTDW15,
	title = {Testigo digital: procedimientos y dispositivos para la gesti{\'o}n segura de evidencias electr{\'o}nicas con credenciales vinculantes},
	journal = {Espa{\~n}a, C. Aut{\'o}n./Reg. de explotaci{\'o}n: Andaluc{\'\i}a},
	volume = {P201500764},
	year = {2015},
	month = {10/2015},
	publisher = {G06F 21/00},
	type = {Invention Patent},
	edition = {Invention Patent},
	chapter = {WO2017068222},
	address = {Spain},
	author = {Ana Nieto and Rodrigo Roman and Javier Lopez}
}
