?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Khouri&rft.aufirst=T&rft.au=Khouri%2C+T&rft.issn=0004-6361&rft.date=January+2014&rft.title=Astronomy+%26+Astrophysics&rft.volume=561&rft.atitle=The+wind+of+W+Hydrae+as+seen+by+Herschel+I.+The+CO+envelope&rft.genre=article