© Rumen Penin, Dimitar Zhelev. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Citation:
Penin RL, Zhelev D (2020) Pre-Monitoring Biogeochemical Research of the landscapes in the Area of Ada Tepe Gold Mining Site (Eastern Rhodopes). Journal of the Bulgarian Geographical Society 43: 25-30. https://doi.org/10.3897/jbgs.2020.43.4 |