Chemical vapour deposition - a promising method for production of different kinds of carbon nanotubes A. Leonhardt, M. Ritschel, K. Bartsch, A. Graff, C. Täschner and J. Fink J. Phys. IV France, 11 PR3 (2001) Pr3-445-Pr3-451 DOI: 10.1051/jp4:2001356