1. , Proc. XII. Internat. Conf. Phys. Semicond., Stuttgart 1974 (p. 1042).
2. , Amorphous and Liquid Semiconductors, Ed. and , Taylor & Francis, London 1974 (p. 947).
3. Photoconductivity and absorption in amorphous Si
4. , Proc. Internat. Top. Conf. Structure and Excitations in Amorphous Solids, Williamsburg 1976 (p. 37).
5. Electronic Transport in Amorphous Silicon Films