DOI - https://doi.org/10.7427/DDI.24.21
If the file is not shown, please refresh the page until appears. Otherwise download the file from the file information link.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright © 2021 Danube Delta National Research & Development Institute. All rights reserved.
For any questions or more detailed information please don't hesitate to contact us.