1. F. Grandjean, Bull. Soc. Fr. Min. 39 (1916) 164
2. H. Zocher and G. K. Cooper, Z. Phys. Chem. 132 (1928) 295
3. P. Chatelain, Bull. Soc. Fr. Min. 66 (1943) 105
4. One uses also the term “homogeneous” to characterize this alignment. We feel that it is misleading as it also characterizes a single domain sample and will not use it.
5. L. A. Goodman, RCA Rev. 35 (1974) 347