Markus Lepper Baltasar Trancón-y-Widemann Jacob Wieland Minimize Mark-Up ! Natural Writing Should Guide the Design of Textual Modeling Frontends. 456-470 2001 conf/er/2001 ER http://dx.doi.org/10.1007/3-540-45581-7_34 db/conf/er/er2001.html#LepperTW01