1. Nystrom, J.M. 1984. Product purification and downstream processing. Fifth Biennial Executive Forum. A. D. Little Inc., Boston, MA, 3–6 June 1984.
2. Cantwell, A., Sienko, M., Kalderone, R. 1984. Process scale-up for β-lactam antibiotic purification by high performance liquid chromatography. Eighth Int. Symp. on Column Liquid Chromatography. New York, NY, 20–25 May 1984.