@inproceedings { Motavas2011a, title = {Effect of Variations in Carbon-Carbon Bond Lengths on the Optical Absorption Properties of Different Carbon Nanotubes}, journal = {12th International Conference on the Science and Application of Nanotubes (NT11)}, year = {2011}, month = {07/2011}, author = {S. Motavas and A. Ivanov and A. Nojeh} }