?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2FS0141-0229(97)00055-0&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sidhu%2C+G.S.&rft.aulast=Sidhu&rft.aufirst=G.S.&rft.issue=7&rft.volume=21&rft.date=1997&rft.issn=01410229&rft.atitle=Strain+improvement+for+the+production+of+a+thermostable+%CE%B1-amylase&rft.title=Enzyme+and+Microbial+Technology&rft.pages=525-530&rft.genre=article