1. E.L. Ralph, Proc. llth IEEE Photovolt, Spec. Conf. (1975), p.315
2. K.R. Bube, Proc. l0th Project Integration Mtg., Low Cost Solar Energy Project, JPL-DOE, (Aug. 1978), p.4–45
3. H.C. Lin, D.P. Spittlehouse and Y.W. Hsueh, Proc. 13th IEEE Photovolt., Spec. Conf. (1978), p. 593
4. K.F. Zmbov and J.L. Murgrave, J. Phys. Chem. 71, 446 (1967)
5. M. Hansen and K. Anderko “Constitution of Binary Alloys”, 2nd Ed., McGraw-Hill (1958), p. 40