@article{DT059,
   Author = {Overney, G. and Zhong, W. and Tomanek, D.},
   Title = {Structural rigidity and low-frequency vibrational modes
            of long carbon tubules},
   Journal = {Z. Phys D: Atoms, Molecules and Clusters},
   Volume = {27},
   Number = {1},
   Pages = {93--96},
   Year = {1993}, 
   url = {http://dx.doi.org/10.1007/BF01436769},
   doi = {10.1007/BF01436769}
}