1. Anders, E., A. Virag, E. Zinner, and R. S. Lewis, 26Al and 16O in the early solar system, Clues from meteorite Al2O3, Astrophys. J., 373, L77–L80, 1991.
2. Grossman, L., Condensation in primitive solar nebula, Geochim. Cosmochim. Acta., 36, 597–619, 1972.
3. Kamitsuji, K., H. Suzuki, Y. Kimura, Y. Saito, and C. Kaito, Crystalline forsterite grain formation due to the coalescence growth of MgO and SiO2 smoke particles, Proceedings of the 36th ISAS Lunar and Planetary Symposium., 262–265, 2003.
4. Kamitsuji, K., S. Ueno, H. Suzuki, T. Sato, T. Tanigaki, O. Kido, M. Kurumada, and C. Kaito, Direct observation of the metamorphism of silicon oxide grains, Astron. Astrophys., 975–979, 2004.
5. Kimura, S., K. Kamei, N. Tsuda, Y. Saito, C. Koike, and C. Kaito, Electron microscopic and infrared spectral studies on the structure of alumina phases, Proc. NIPR Symp. Antarct. Meteorites, 9, 237–243, 1996.