?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Butler%2C+Michael&rft.aulast=Butler&rft.aufirst=Michael&rft.date=December+2007&rft.title=The+Rodin+Formal+Modelling+Tool&rft.genre=proceeding<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>