@InCollection{ Luders&al:02, Author = "F. L{\"u}ders and K.-K. Lau and S.M. Ho", Title = "Specification of Software Components", Booktitle = "Building Reliable Component-based Systems", Editor = "I. Crnkovic and M. Larsson", Chapter = "2", Pages = "23-38", Publisher = "Artech House", Year = "2002" }