@article{140761, author = {Rui-Hua Xie and Garnett Bryant and G Sun and M Nicklaus and D Heringer and Th Fraunheim and M Manaa and J Smith and H V and Y Araki and O Ito}, title = {Excitations, Optical Absorption Spectra, and Optical Excitonic Gaps of Heterofullerenes: I. C60, C59N+ and C48N12: Theory and Experiment}, year = {2004}, number = {120}, month = {2004-01-01}, publisher = {Journal of Chemical Physics}, language = {en}, }