?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Jastram%2C+Michael&rft.aulast=Jastram&rft.aufirst=Michael&rft.issue=1&rft.volume=31&rft.date=2011&rft.atitle=ProR+-+Eine+Softwareplattform+f%22%5Cur+Requirements+Engineering&rft.title=Softwaretechnik-Trends&rft.genre=article<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>