MOJZEŠ, Andrej. Field gamma-ray spectrometer GS256: measurements stability. Contributions to Geophysics and Geodesy, [S. l.], v. 39, n. 1, p. 43–54, 2009. DOI: 10.2478/v10126-009-0003-7. Disponível em: https://journal.geo.sav.sk/cgg/article/view/8. Acesso em: 8 sep. 2025.