TY - CHAP A1 - Heinzl, Steffen A1 - Kylau, Uwe A1 - May, Norman T1 - Modeling Foundations T2 - Handbook of Service Description: USDL and Its Methods Y1 - 2012 SN - 978-1-4614-1863-4 SP - 327 EP - 356 PB - Springer ER -