TY - CHAP A1 - Ribaric, Marko A1 - Sheidal, Shahin A1 - Gasevic, Dragan A1 - Milanovic, Milan A1 - Giurca, Adrian A1 - Lukichev, Sergey A1 - Wagner, Gerd T1 - Modeling of Web Services using URML, R2ML and model transformations Y1 - 2009 ER - TY - CHAP A1 - Lukichev, Sergey A1 - Giurca, Adrian A1 - Wagner, Gerd A1 - Gasevic, Dragan A1 - Ribaric, Marko T1 - Using UML-based RUles for Web Services Modeling. Y1 - 2007 ER -