1. Proc. Int. Conf. on Photovoltaic Solar Energy;Catalano,1978
2. Photoconductivity and dember effect in Zn3P2∗
3. Proc. XIV Int. Conf. on Phys. of Semicond.;Möller,1978
4. Inst. Phys. London, Conf. Ser.;Möller,1979
5. Pawlikowski J. M., Mirowska N., Becla P. and Krolicki F., Solid State Electron, in press.