http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=5959%26limit%3Ditype%3AREFERENCIA%26limit%3Dau%3ABobbio%2C%20Norberto%26limit%3Dau%3ATula%2C%20Jorge%26limit%3Dholdingbranch%3AUMETbiblio&format=rss2 Search results for 'an,phr: 5959&limit=itype:REFERENCIA&limit=au:Bobbio, Norberto&limit=au:Tula, Jorge&limit=holdingbranch:UMETbiblio' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20