?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.date=November+2009&rft.atitle=Event-B+Patterns+and+Their+Tool+Support&rft.title=2009+Seventh+IEEE+International+Conference+on+Software+Engineering+and+Formal+Methods&rft.pages=210-219&rft.genre=article<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>