?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Le%2C+Dinh+Thanh&rft.aulast=Le&rft.aufirst=Dinh+Thanh&rft.issue=3&rft.volume=5&rft.date=2009&rft.atitle=Topological+boundary+detection+in+wireless+sensor+networks&rft.title=International+Journal+of+Information+Processing+Systems&rft.pages=145-150&rft.genre=article