author = {Steffen Zschaler},
  title  = {Formal Specification of Non-functional Properties of Component-Based Software},
  editor    = {Jean-Michel Bruel and Geri Georg and Heinrich Hussmann and Ileana Ober and Christoph Pohl and Jon Whittle and
               Steffen Zschaler},
  booktitle = {Workshop on Models for Non-functional Aspects of Component-Based Software (NfC'04) at UML conference 2004},
  note      = {Technical Report TUD-FI04-12 Sept.2004 at Technische Universit{\"a}t Dresden},
  month     = sep,
  year      = 2004,