1. Adams, D. and D. Agarwal. 1988. Clean-in-place system design. BioPharm 2(6): 48–57.
2. Bluhm, A.R. 1989. A practical guide to software validation. Pharmaceut. Technol. 13(11): 33–40.
3. Chisti, Y. 1992. Build better industrial bioreactors. Chem. Eng. Prog. 88(1): 55–58.
4. Chisti, Y. 1992. Assure bioreactor sterility. Chem. Eng. Prog. 88(9): 80–85.
5. Chisti, Y. 1993. Animal cell culture in stirred bioreactors: observations on scale-up. Bioproc. Eng. 9: 191–196.