GNU GPL version 2 (or later): https://www.gnu.org/licenses/gpl-2.0.htmlWikus PienaarDaan Wissing2018-02-052018-03-052018-02-052018-03-052015-06-30https://hdl.handle.net/20.500.12185/385W-NORM is a graphical user interface (GUI), written in Perl and GTK2, for the Vowels 1.2 package. Vowels 1.2 is written in the R programming language and is used to manipulate, normalise and plot phonetic and sociophonetic vowel formant data.7.24 Mb (zipped)afrTools