Paulo Leitão Raymond Boissier Francisco Casais Francisco Restivo Integration of Automation Resources in Holonic Manufacturing Applications. 35-46 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2744&spage=35 2003 conf/holomas/2003 HoloMAS db/conf/holomas/holomas2003.html#LeitaoBCR03