\begin{thebibliography}{99} % assumes less than 100 references
%\latin
\begin{LTRitems}
\bibitem{basja}
G. Baskaran, S. A. Jafari;\emph{Gapless Spin-1 Neutral Collective Mode Branch for Graphite}, Phys.Rev.Lett, \textbf{89}, 016402,(2002)


\bibitem{jafneut}
S. A. Jafari, G. Baskaran;\emph{Theory of neutron scattering for gapless neutral spin-1 collective mode in graphite},Eur.Phys.J.B 43,175-185(2005)

%ch:2
\bibitem{cndbfh}
Ch. Hierold;\emph{Carbon nanotube devices:properties,modeling,integration and applications},Wiley-VCH(2008)

\bibitem{dfbond1}
O. Gulseren,T. Yildirim1,S. Ciraci;\emph{Systematic ab initio study of curvature effects in carbon nanotubes},Phys.Rev.B \textbf{65}, 153405 (2002) 

\bibitem{dfbond2}
 D. Sanchez-Portal,E. Artacho,J. M. Soler;\emph{Ab initio structural, elastic, and vibrational properties of carbon nanotubes} ,Phys. Rev. B \textbf{59}, 12678-12688 (1999)   


\bibitem{cntpolymer}
M. J. Greena,N. Behabtua,M. Pasqualia,W. W. Adamsc ;\emph{Nanotubes as polymers } ,Polymer, \textbf{50}, Issue 21,(2009) 

\end{LTRitems}‎
\end{thebibliography}