Heller, Markus and Schmeling, Benjamin and Heinzl, Steffen and Leidig, Torsten and Duddy, Keith and Sandfuchs, Thorsten and Klein, Andreas and Allgaier, Matthias Barros, Alistair and Oberle, Daniel (eds.) (2012):
Enabling USDL by Tools.
In: Handbook of Service Description, Springer US, pp. 385-414, [Online-Edition: http://dx.doi.org/10.1007/978-1-4614-1864-1₁₅],
[Book Section]

Duddy, Keith and Heinrich, Matthias and Heinzl, Steffen and Knechtel, Martin and Pedrinaci, Carlos and Schmeling, Benjamin and Smith, Virginia Barros, Alistair and Oberle, Daniel (eds.) (2012):
Representing USDL for Humans and Tools.
In: Handbook of Service Description, Springer US, pp. 357-383, [Online-Edition: http://dx.doi.org/10.1007/978-1-4614-1864-1₁₄],
[Book Section]