+@article{arc,
+title = "Advanced Resource Connector middleware for lightweight computational Grids",
+journal = "Future Generation Computer Systems",
+volume = "23",
+number = "2",
+pages = "219 - 240",
+year = "2007",
+note = "",
+author = "M. Ellert and M. Grønager and A. Konstantinov and B. Kónya and J. Lindemann and I. Livenson and J.L. Nielsen and M. Niinimäki and O. Smirnova and A. Wäänänen",
+}
+
+
+
+@Article{JOpera,
+ author = {Cesare Pautasso, Gustavo Alonso},
+ title = {JOpera: a Toolkit for Efficient Visual Composition of Web Services},
+ journal = {International Journal of Electronic Commerce (IJEC)},
+ year = {2005},
+ OPTkey = {},
+ OPTvolume = {9},
+ OPTnumber = {2},
+ OPTpages = {},
+ OPTmonth = {},
+ OPTnote = {},
+ OPTannote = {}
+}
+