?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMM.465-466.22&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=D.E.&rft.au=Woldemichael%2C+D.E.&rft.aulast=Woldemichael&rft.volume=465-46&rft.issn=16609336&rft.isbn=9783037859339&rft.atitle=Topology+optimization+of+beam+structures+with+various+end+and+loading+conditions&rft.pages=22-26&rft.title=Applied+Mechanics+and+Materials&rft.date=2014&rft.genre=article