https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=kw&q=su-br%3Accl%3DProvider%3AUniversidad%20Gerardo%20Barrios%20and%20au%3AL%C3%83%C2%83%C3%82%C2%B3pez%2C%20Manuel%20Eduardo%20and%20%28%20%28%20allrecords%2CAlwaysMatches%3A%27%27%20not%20onloan%2CAlwaysMatches%3A%27%27%29%20and%20%28lost%2Cst-numeric%3D0%29%20%29&format=rss2 Search results for 'kw,wrdl: su-br:ccl=Provider:Universidad Gerardo Barrios and au:López, Manuel Eduardo and ( ( allrecords,AlwaysMatches:'' not onloan,AlwaysMatches:'') and (lost,st-numeric=0) )' at Biblioteca UGB 0 20