?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K.&rft.aulast=Ke%C3%A7eci&rft.au=+Ke%C3%A7eci+K.&rft.atitle=The+effect+of+the+implementation+of+ultrasound+in+enzyme+separation&rft.date=2015&rft.issn=2064-7964&rft.title=Review+of+faculty+of+engineering+%3A+analecta+technica+Szegedinensia&rft.issue=2&rft.volume=9&rft.pages=34-41&rft.genre=article