Miquel Pericàs Eduard Ayguadé Javier Zalamea Josep Llosa Mateo Valero with Wide Functional Units. 88-97 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3133&spage=88 2004 conf/samos/2004 SAMOS db/conf/samos/samos2004.html#PericasAZLV04