AUTHOR=Laka Itziar TITLE=On language production principles and the form of language: a más cómo, menos por qué JOURNAL=Frontiers in Psychology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2013.00231 DOI=10.3389/fpsyg.2013.00231 ISSN=1664-1078