https://biblioteca.iunir.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A197%20and%20su-to%3ABioquimica%20and%20au%3ANelson%2C%20David%20L.%20and%20available&format=rss2 Search results for 'an:197 and su-to:Bioquimica and au:Nelson, David L. and available' at OPAC - IUNIR 0 20