Lukic, B., Seo, J. W., Couteau, E., Lee, K., Gradecak, S., Berkecz, R., Hernadi, K., Delpeux, S., Cacciaguerra, T., Beguin, F., Fonseca, A., Nagy, J. B., Csanyi, G., Kis, A., Kulik, A. J., & Forro, L. (2005). Elastic modulus of multi-walled carbon nanotubes produced by catalytic chemical vapour deposition. Applied Physics A: Materials Science and Processing, 80(4), 695–700. https://doi.org/10.1007/s00339-004-3100-5