1. Iijima S (1991) Nature 354:56
2. Ajayan PM, Zhou OZ (2000) Carbon nanotubes: synthesis, structure, properties, and applications. Springer-Verlag, Berlin
3. Saito R, Dresselhaus G, Dresselhaus M (1999) Physical properties of carbon nanotubes. Imperial College Press, London
4. Grimes CA, Mungle C, Kouzoudis D, Fang S, Eklund PC (1999) Chem Phys Lett 319:460
5. Files BS, Mayeaux BM (1999) Adv Mater Process 156:47