Water – the famous unknown factor of life
Dochev, Veselin
Geography as a network: Linking minds, disciplines and generations
Penerliev, Milen
Possibilities of using plant species from 62С0* Ponto-Sarmatic steppes natural habitat for decorative purposes
Kaschieva, Mariya, Boycheva, Petya
The demographic crisis in Bulgaria: trends, problems and prospects
Dimitrov, Slavi
Assessment of natural background radiation in the tourist area of Biserna Cave based on in situ measurements
Kalchev, Karamfil, Manova, Gergana, Manov, Lyubomir, Kulev, Nikolay
Volume 12 (2025): Issue 3 (November 2025)
Aerodynamic Design Methodology for Air Propellers of Swarm UAVs under Variable Mission Payloads
Bezpalyy, Viacheslav, Ukrainets, Yevgen, Myronenko, Kostyantyn, Loginov, Vasyl
Methodology for Reducing the Negative Impact of Non-Conformance in Technical Personnel Activity in the System of Continuing Airworthiness of Aircraft
Shestakov, Vladimir, Kļepackis, Kirils, Kuleshov, Nikolay
Eddy Current Evaluation of Two-Layer Aircraft Structures with Carbon Fiber Reinforced Polymer Layers on Aluminum Alloy Substrates
Uchanin, Valentyn, Aleschenko, Oleksiy, Derecha, Valeriy
Expert-Based Risk Assessment for Flight Safety Using Kendall's W and Pearson's Chi-Square
Petuhovs, Igors
Analysis of Eddy Current Probe Signal Model for Structural Monitoring of Aircraft Materials
Lysenko, Iuliia, Kuts, Yurii, Uchanin, Valentyn, Mirchev, Yordan
Conceptual Design and Validation of a Hydrogen Training Airplane
Kuk, Sebastian Piotr