1. W. Krätschmer, L.D. Lamb, K. Fostiropoulos, D.R. Huffman: Nature 347, 354 (1990)
2. M.S. Dresselhans. C;. Dresselha.us. P.C. Eklund: Science of Fullerenes and Carbon Nanotubes (Academic Press, New York 1996) p.209 and references therein
3. J. Onoe, K. Takeuchi: Chemical Industry 50, 7 (1999) [Japanese]
4. A.M. Rao, P. Zhou, K.-A. Wang, G.T. Hager, J.M. Holden, Y. Wang, W.-T. Lee, X.-X. Bi, P.C. Eklund, D.S. Cornett, M.A. Duncan, I.J. Amster: Science 259, 955 (1993)
5. A.M. Rao, P. Zhou, K.-A. Wang, G.T. Hager, J.M. Holden, Y. Wang, W.-T. Lee, X.-X. Bi, P.C. Eklund, D.S. Cornett, M.A. Duncan, I.J. Amster: Science 259, 955 (1993); Y. Wang, J.M. Holden, X.X. Bi, P.C. Eklund: Chem. Phys. Lett. 217, 413 (1994); Y.-P. Sun, B. Ma, C.E. Bunker, B. Liu: J. Am. Chem. Soc. 117, 12705 (1995); B. Burger, J. Winter, H. Kuzmany: Z. Phys. B 101, 227 (1996); J. Onoe, K. Takeuchi: Phys. Rev. B 54, 6167 (1996); J. Onoe, A. Nakao, K. Takeuchi: Phys. Rev. B 55, 10051 (1997); J. Onoe, K. Takeuchi: Phys. Rev. Lett. 79, 2987 (1997)