?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=S.&rft.aulast=Ullah&rft.au=Ullah%2C+S.&rft.date=2012&rft.inst=University+of+Trento&rft.degree=Masters&rft.title=Extensive+Validation+and+Debugging+of+VELA+Plugin