1. IX. The action of light on selenium
2. A New Silicon p‐n Junction Photocell for Converting Solar Radiation into Electrical Power
3. Andreev V M, Kazantsev A B, Khvostikov V P, Paleeva E V, Rumyantsev V D and Shvarts M Z 1994 Conf. Record First World Conference on Photovoltaic Energy Conversion (New York: IEEE)pp2096-2099