?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Patnaik%2C+P+R&rft.aulast=Patnaik&rft.aufirst=P+R&rft.issue=3&rft.volume=21&rft.date=2001&rft.issn=0738-8551&rft.atitle=Microbial+metabolism+as+an+evolutionary+response%3A+the+cybernetic+approach+to+modeling.&rft.title=Critical+reviews+in+biotechnology&rft.pages=155-75&rft.genre=article