@article{ author = {Shafiee, Gholam Hossein, Najafpour, Jamshid, Sadjadi, Seyed Abdolreza}, title = {Topological Analysis and Quantum Mechanical Structure of C4 and C5 Pure Carbon Clusters}, journal = {Journal of Physical & Theoretical Chemistry}, year = {2011}, volume = {8}, number = {1}, pages = {11-16}, doi = {} }