Documentation and usage examples are available online at:
Ziegler, M. O., Ziebarth, M., and Reiter, K. (2020). Manual of the Python Script Apple PY v1.3. World Stress Map Technical Report 20-02, GFZ German Research Centre for Geosciences.
DOI: http://doi.org/10.2312/wsm.2020.002
The recommended citation for Apple PY is: (You can find the BibTeX snippet in the
CITATION file):
Ziegler, M. O., Ziebarth, M., and Reiter, K. (2020). Python Script Apple PY v1.3. GFZ Data Services. DOI: http://doi.org/10.5880/wsm.2020.002
The previous version 1.0, 1.01, and 1.02 are accesible via GitHub or as: 
GNU General Public License, Version 3, 29 June 2007
Copyright © 2019 Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
APPLE PY is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. APPLE PY is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.
- Moritz O. Ziegler; mziegler@gfz-potsdam.de
Helmholtz Centre Potsdam German Research Centre for Geoscienes GFZ
Section 2.6: Seismic Hazard and Risk Dynamics
Telegrafenberg
14473 Potsdam, Germany