gld.get.papers.info     Extracts information about papers from xml data
gld_download_lattes_files
                        Downloads data from Lattes
gld_get_SJR             Reads SJR table
gld_get_lattes_data     Downloads and reads Lattes data based on a
                        vector of Lattes ids
gld_get_lattes_data_from_zip
                        Reads zip files from Lattes
gld_get_qualis          Reads Qualis table
gld_read_zip            Reads xml data from lattes zip file
