@inbook{Kaspar+1998+15+32,
url = {https://doi.org/10.1515/9783110815993.15},
title = {1 Das System Tourismus im Überblick},
booktitle = {Tourismus-Management},
author = {Claude Kaspar},
editor = {Günther Haedrich and Claude Kaspar and Kristiane Klemm and Edgar Kreilkamp},
publisher = {De Gruyter},
address = {Berlin, New York},
pages = {15--32},
doi = {doi:10.1515/9783110815993.15},
isbn = {9783110815993},
year = {1998},
lastchecked = {2026-05-04}
}