1. Photovoltaic Effect in Cadmium Sulfide
2. Shirland, F.A., A.R.L. Tech. Report 60–293 (Harshaw Chemical Co.; 1960).
3. Shirland, F.A. and Heitonen, J.R., Proc. 5th IEEE Photovoltaics Spec. Conf. Sect. IIC-3. IEEE, New York 1965; Also, Shirland, F.A., and Augustine, F., ibid, IIC-4.