http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=7707%26limit%3Dau%3ALazarsfeld%2C%20Paul&format=rss2 Search results for 'an,phr: 7707&limit=au:Lazarsfeld, Paul' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20