?url_ver=Z39.88-2004&rft_id=doi%3A10.1002%2Fjctb.748&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Singh%2C+Om+V&rft.aulast=Singh&rft.aufirst=Om+V&rft.issue=2-3&rft.volume=78&rft.date=2003&rft.issn=0268-2575&rft.atitle=Gluconic+acid+production+under+varying+fermentation+conditions+byAspergillus+niger&rft.title=Journal+of+Chemical+Technology+%26+Biotechnology&rft.pages=208-212&rft.genre=article