%0 Journal Article
%T First principle study of Lithium impurity effect on energy gap of trans-polyacetylene chain
%A M. R. Benam
%A  A. Keyhannezhada
%A  Shahtahmassebi, Nasser
%A  Arabshahi, Hadi
%J International Journal of Engineering Research and Applications
%@ 2248-9622
%D 2011