Martin Kunz Reiner R. Dumke Andreas Schmietendorf How to Measure Agile Software Development. 95-101 2007 IWSM/Mensura http://dx.doi.org/10.1007/978-3-540-85553-8_8 conf/iwsm/2007 db/conf/iwsm/iwsm2007.html#KunzDS07