1. N. Balconi, “Sintesi della sillimanite,” Rend. Soc. Min. Ital. 1 (30), 9–284 (1941).
2. L. Coes, Jr., “High pressure minerals,” J. Am. Ceram. Soc. 38, 298 (1955).
3. A. D. Deer, R. A. Howie, and J. Zussman, Rock-Forming Minerals. Volume 1 (New York, Wileys, 1962).
4. A. D. Deer, R. A. Howie, and J. Zussman, Rock-Forming Minerals. Volume 5 (New York, Wileys, 1962).
5. A. A. Marakushev, Petrology (Moscow, MGU, 1988) [in Russian].