?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMR.308-310.1540&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Woldemichael&rft.au=Woldemichael%2C+D.E.&rft.aufirst=D.E.&rft.pages=1540-1545&rft.isbn=9783037852132&rft.atitle=A+knowledge-based+conceptual+design+support+system&rft.date=2011&rft.volume=308-31&rft.issn=10226680&rft.title=Advanced+Materials+Research&rft.genre=article