@techreport{8217, author = {{Gehrke, Matthias and Güldali, Baris and Meyer, Jan and Sancar, Yavuz and Spijkerman, Michael}}, publisher = {{University of Paderborn, s-lab}}, title = {{{“Metriken” – Kennzahlen zur Verbesserung der Softwarequalität, Teile 1 und 2}}}, year = {{2009}}, }