Author:
Ghazi A. A.,Challis L. J.,Williams D. L.,Fletcher J. R.
Reference8 articles.
1. We are very grateful to Professor Kinder for this sample.
2. Pontnau J and Adde R, CR Acad Sci Paris, 280, 301 (1975).
3. Anderson B R and Challis L J, J Phys C 6, L266 (1973).
4. Moore W S, Bates C A and Al-Sharbati T, J Phys C 6, L209 (1973).
5. 2. Anderson B R and Challis L J, J Phys C 7, L440 (1974)