?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hoang%2C+Thai+Son&rft.aulast=Hoang&rft.aufirst=Thai+Son&rft.issue=11-12&rft.volume=74&rft.date=November+2009&rft.atitle=Developing+topology+discovery+in+Event-B&rft.title=Science+of+Computer+Programming&rft.pages=879-899&rft.genre=article<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>