May, O Reinventing the wheel. [electronic resource] - Trends in biotechnology Feb 2000 - 42-3 p. digital Publication Type: Letter ISSN: 0167-7799 Standard No.: 10.1016/s0167-7799(99)01405-5 doi Subjects--Topical Terms: Directed Molecular EvolutionEnzymes--chemistryProtein Engineering