@ARTICLE{
author={Milosevic Ivanka,Nikolic Bozidar D,Dobardzic Edib,Damnjanovic Milan M,Popov Igor,Seifert Gotthard},
year={2007},
title={Electronic properties and optical spectra of MoS2 and WS2 nanotubes},
journal={PHYSICAL REVIEW B},
volume={76},
number={23},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Milosevic Ivanka,Seifert Gotthard,Popov Igor,Dobardzic Edib,Nikolic Bozidar D,Damnjanovic Milan M},
year={2006},
title={Optical absorption in molybdenum disulfide nanotubes - art. no. 63280B},
journal={Nanomodeling II},
volume={6328},
number={},
pages={B3280-B3280},
document_type={Proceedings Paper},
}