@article{gtpack1,
Title = {{GTPack: A Mathematica Group Theory Package for Application in Solid-State Physics and Photonics}},
Author = {Geilhufe, R. Matthias and Hergert, Wolfram},
Journal = {Frontiers in Physics},
Year = {2018},
Pages = {86},
Volume = {6},
Doi = {10.3389/fphy.2018.00086},
ISSN = {2296-424X},
Url = {https://www.frontiersin.org/article/10.3389/fphy.2018.00086}
}
@BOOK{gtpack2,
title = {{Group Theory in Solid State Physics and Photonics: Problem Solving with Mathematica}},
publisher = {Wiley-VCH},
year = {2018},
author = {Hergert, Wolfram and Geilhufe, R. Matthias},
note = {\textsc{isbn:} 978-3-527-41133-7}
}