Authors
Ain Kiisler
Tallinn University of Technology (Taltech), Estonian Maritime Academy, Tallinn, Estonia
Olli-Pekka Hilmola
LUT University, Tallinn University of Technology (Taltech), Estonian Maritime Academy, Tallinn
© 2020 Ain Kiisler, Olli-Pekka Hilmola, published by Transport and Telecommunication Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.