1. In Proceedings of the 5th Conference on Biodegradable Polymers; Würzburg, Germany, 1998, E1-9.
2. In Proceedings of the 5th Conferenceon Biodegradable Polymers; Würzburg, Germany, 1998, D1-9.
3. ; In Proceedings of the 15th Stuttgarter Kunststoff Colloquium; Stuttgart, Germany, 1997.
4. Biodegradable fibres of poly(l-lactic acid) produced by melt spinning