www.flickr.com/photos/bixentro/338433029 • „Baby“ by The Noun Project: http://thenounproject.com/ term/baby/47/ • „Man“ by The Noun Project: http://thenounproject.com/ term/man/2/ • „Sasquatch“ by Mike Wirth: http://thenounproject.com/ term/sasquatch/2680/
2: Softwaremanagement, Software-Qualitätssicherung, Unternehmensmodellierung, Spektrum Akademischer Verlag, Heidelberg 1998, ISBN 3-8274-0065-1, S. 257 • Michele Lanza, Radu Marinescu: Object-Oriented Metrics in Practice: Using Software Metrics to Characterize, Evaluate, and Improve the Design of Object-Oriented Systems, Springer 2006, ISBN 3540244298