1. T. MATSUDA, N. UNO, H. NAKAE and T. HIRAI, J. Mater. Sci.
21 (1986) 649.
2. T. MATSUDA, H. NAKAE and T. HIRAI, ibid.
23 (1988) 509.
3. H. KUBATA, Dzensi Dzaire
24 (1985) 34.
4. USSR Pat. Applic. 4465305.
5. Yu. V. GANIN, Yu. A. ILLARIONOV, Yu. A. SINENKO and S. Yu. SHAPOVAL, in “1st International Conference Molecular-Radial Epitaxy” Veliko-Tyrnovo (Veliko-Tyrnovo, PRB 1989) p. 82.