1. Proc. Symp. Radiat. Graft Polym.;Pietrucha,1974
2. Educational “FAN” of Uzbek SSR,1976
3. Proc. Symp. Radiat. Chem. Modific. of Polym. Mat. Warsaw;Pietrucha,1978
4. Proc. 15th Czechoslovak Ann. Meet.;Pietrucha,1977
5. K. Pietrucha and W. Pȩkala, To be published.