Edler, D., & 		Lammert-Siepmann, N.
(2017).
 Approaching the Acoustic Dimension in Cartographic Theory and Practice.
<em>Meta-Carto-Semiotics, 3</em>(1), 1-15.
Retrieved from <a href="http://ojs.meta-carto-semiotics.org/index.php/mcs/article/view/27" target="_new">http://ojs.meta-carto-semiotics.org/index.php/mcs/article/view/27</a>