References
- Brauch , G. , Hänsler , U. and Ludwig , H. 1990 . High Pressure Research , 5 : 767 – 769 .
- Sojka , B. and Ludwig , H. 1994 . Pharm. Ind. , 56 in press
- Ludwig , H. , Bieler , Ch. , Hallbauer , K. and Scigalla , W. 1992 . High Pressure and Biotechnology, Colloque INSERM , 224 : 25 – 32 .
- Carl , K. and Ludwig , H. 1991 . High Pressure Research , 7 : 176 – 178 .
- Groß , P. and Ludwig , H. 1992 . High Pressure and Biotech., Colloque INSERM , 224 : 57 – 59 .