© Angel Velchev. 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:
Velchev A (2020) Prof. Petar Penchev – A Distinguished Geographer, Founder of the Genetic Branch of the Hidrological Science in Bulgaria. Journal of the Bulgarian Geographical Society 42: 104-107. https://doi.org/10.3897/jbgs.2020.42.15 |