1. Alberti, J. C., Phillips, J. A., Fink, D. J.: Off-line monitoring of fermentation samples by FTIR/ATR: a feasibility study for real-time process control. 7th Symp. on “Biotechnology of Fuels and Chemicals, Gatlinburg”, Tennessee, May 14–17, 1985
2. Anhalt, J. P., Fenselau, C.: Anal. Chem. 47, 21 (1975)
3. Batey, J. H.: Int. J. Mass Spectrom. Ion Phys. 60, 117 (1984)
4. Berovic, M., Cimerman, A.: Eur. J. Appl. Microbiol. Biotechnol. 16, 165 (1982)
5. Beyeler, W., Einsele, A., Fiechter, A.: ibid. 13, 10 (1981)