1. Milek, J. T. (Handbook of Electronic Materials, Pt. 2, Vol. 6, IFl/Plenum, New York 1972, pp. 1/117; C.A. 77 [1972] No. 106745).
2. Langheinrich, R. W. (Haus Tech. Vortragsveröff. No. 338 [1975] 54/64; C.A. 84 [1976] No. 143282).
3. Csabay, O.; Milovska, S. (Elektrotech. Casopis 25 [1974] 567/75 from C.A. 81 [1974] No. 178379).
4. Swaroop, R. B. (4th Interam. Conf. Mater. Technol. Proc, Caracas 1975, pp. 224/30; C.A. 83 [1975] No. 156272).
5. Arienzo, M.; Orr-Arienzo, W. A. (Mater. Sci. Forum 47 [1989] 228/48).