Jörg Rech Eric Ras Andreas Jedlitschka Improving Software Quality through Refactoring by means of Didactical Augmented Experience. 141-149 2004 conf/soqua/2004 SOQUA/TECOS db/conf/soqua/soqua2004.html#RechRJ04 https://dl.gi.de/handle/20.500.12116/28487 http://subs.emis.de/LNI/Proceedings/Proceedings58/article3507.html