https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A1148%20and%20au%3AGwosdz%2C%20Werner%20and%20au%3ALorenz%2C%20Walter&format=rss2 Search results for 'an:1148 and au:Gwosdz, Werner and au:Lorenz, Walter' at Biblioteca - Ingemmet 0 20