@ARTICLE{
author={Vragovic Igor D,Setrajcic Jovan P,Scholz R},
year={2008},
title={Quantum size effects in the optical properties of organic superlattices containing 3, 4, 9, 10 perylene tetracarboxylic dianhydride (PTCDA)},
journal={EUROPEAN PHYSICAL JOURNAL B},
volume={66},
number={2},
pages={185-190},
document_type={Article},
} 

@ARTICLE{
author={Vragovic Igor D,Scholz R,Setrajcic Jovan P},
year={2006},
title={Optical properties of PTCDA bulk crystals and ultrathin films},
journal={RECENT DEVELOPMENTS IN ADVANCED MATERIALS AND PROCESSES},
volume={518},
number={},
pages={41-46},
document_type={Article},
}