?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.cej.2017.10.087&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Din%2C+I.U.&rft.aulast=Din&rft.aufirst=I.U.&rft.volume=334&rft.issn=13858947&rft.atitle=Carbon+nanofibers+based+copper%2Fzirconia+catalysts+for+carbon+dioxide+hydrogenation+to+methanol%3A+Effect+of+copper+concentration&rft.pages=619-629&rft.title=Chemical+Engineering+Journal&rft.date=2018&rft.genre=article