?url_ver=Z39.88-2004&rft_id=10.1063%2F1.4757549&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ali%2C+S.&rft.aulast=Ali&rft.aufirst=S.&rft.issn=0094243X&rft.isbn=9780735410947&rft.title=Effect+of+potassium+promoter+on+cobalt+nano-catalysts+for+fischer-tropsch+reaction&rft.date=2012&rft.genre=proceeding