?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Dang%2C+Duc+Hanh&rft.aulast=Dang&rft.aufirst=Duc+Hanh&rft.degree=PhD&rft.date=2009&rft.title=On+Integrating+Triple+Graph+Grammars+and+OCL+for+Model-Driven+Development&rft.inst=University+of+Bremen