?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hayes%2C+Ian+J.&rft.aulast=Hayes&rft.aufirst=Ian+J.&rft.volume=(submi&rft.date=2012&rft.atitle=Refining+rely-guarantee+thinking&rft.title=Formal+Aspects+of+Computing&rft.genre=article<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>