@book{Balzer+2020,
url = {https://doi.org/10.3790/9783896446220},
title = {Sprung-Steine},
title = {Stressmanagement für Dauer-Lächler und Service-Asse},
author = {Andreas Balzer},
publisher = {Verlag Wissenschaft & Praxis},
address = {},
doi = {doi:10.3790/9783896446220},
isbn = {9783896446220},
year = {2012},
lastchecked = {2020}
}