8th IPI -Conpetition For YOuing Research Workers : Abssstraets of the 122Papers Submitted to the Competition IPI - Resarache Topics No. 14
8th IPI -Conpetition For YOuing Research Workers : Abssstraets of the 122Papers Submitted to the Competition IPI - Resarache Topics No. 14
International Patash INstitute, Bem;
- Bern International Patesh Institute 1983
- xxii 84pp