Geographica Helvetica
Geographica Helvetica
GH
Articles | Volume 45, issue 4
Articles | Volume 45, issue 4
https://doi.org/10.5194/gh-45-143-1990
© Author(s) 1990. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gh-45-143-1990
© Author(s) 1990. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 45, issue 4
31 Dec 1990
 | 31 Dec 1990

Geographische Informationssysteme : eine Einleitung

K. Brassel
How to cite. Brassel, K.: Geographische Informationssysteme : eine Einleitung, Geogr. Helv., 45, 143–144, https://doi.org/10.5194/gh-45-143-1990, 1990.
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