?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Vlasen%D0%BAo%2C+R.+%D0%A0.&rft.aulast=Vlasen%D0%BAo&rft.aufirst=R.+%D0%A0.&rft.issue=2&rft.volume=5&rft.date=2011&rft.atitle=Polyploid+races%2C+genetic+structure+and+morphological+features+of+earthworm+Aporrectodea+rosea+(Savigny%2C+1826)+(Oligohaeta%3A+Lumbricidae)+in+Ukraine&rft.title=Comparative+Cytogenetics&rft.pages=91-103&rft.genre=article