@book {eTorres93,
	title = {Sistemas Anal{\'o}gicos y Digitales de Televisi{\'o}n},
	year = {1993},
	publisher = {Edicions UPC},
	organization = {Edicions UPC},
	address = {Barcelona},
	isbn = {84-7653-288-1},
	author = {Torres, L. and Lleida, E. and Casas, J.}
}
@conference {cLleida91,
	title = {Two level c.s.r. using demisyllable..},
	booktitle = {EUROPEAN CONF. ON SPEECH COMMUN. AND TECHN. EUROSPEECH{\textquoteright}91},
	year = {1991},
	pages = {1199{\textendash}1202},
	isbn = {10184074},
	author = {Lleida, E. and Albert Oliveras and Nadeu, C. and Mari{\~n}o, J.}
}
