1. Barclay, G. A., and Kennard, C. H. L. (1961)J. Chem. Soc., 5244.
2. Cruickshank, D. W. J., Pilling, D. E., Bujosa, A., Lovell, F. M., and Truter, M. R. (1961) inComputing Methods and the Phase Problems (Pergamon Press, Oxford, p. 45).
3. Davey, G., and Stephens, F. S. (1970)J. Chem. Soc. (A), 2803.
4. Hanic, F. (1964)Cs. Cas. Fys. 14, 205.
5. Hanic, F., Štempelova, D., and Hanicova, K. (1964)Acta Crystallogr. 17, 633.