TY - CPAPER AU - Asimopolos Laurenţiu AU - Adrian-Aristide Asimopolos AU - Natalia-Silvia Asimopolos TI - CONSIDERATIONS REGARDING THE EVALUATION OF THE VARIABILITY OF THE GEOMAGNETIC FIELD. T2 - 25th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2025, Nano, Bio, Green, and Space Technologies for a Sustainable Future, Vol25, Issue 6.1 PY - 2025 SP - 87 EP - 94 DO - 10.5593/sgem2025/6.1/s27.62 PB - STEF92 Technology ER -