Michael Sonntag,
"A small product line needing requisitely holistic management. Case study of a call-center application and its legal protection"
: Robert Trappl (Ed.): Cybernetics and Systems 2006, Austrian Society for Cybernetic Studies, Wien, 2006, ISBN: 3-85206-172-5
Original Titel:
A small product line needing requisitely holistic management. Case study of a call-center application and its legal protection