?url_ver=Z39.88-2004&rft_id=10.1142%2FS0217590811004419&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Carlos+Pestana&rft.aulast=Barros&rft.au=Barros%2C+Carlos+Pestana&rft.issn=1793-6837&rft.title=Singapore+Economic+Review&rft.date=2011&rft.issue=4&rft.volume=56&rft.atitle=Heterogeneity+on+the+technical+efficiency+in+Japanese+airports&rft.genre=article