1.
de la Morena BA, Alberca LF, Sole JG, Vilaplana JM, Kazimirovsky ES. Correlation in f0F2 and M(3000) F2 variations in South-West Europe. Ann. Geophys. [Internet]. 1996Nov.25 [cited 2021Oct.18];39(4). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4008