1.
Kunow H, Witte M, Wibberenz G, Hempe H, Mueller-Mellin R, Green G, lwers B, Fuckner J. Cosmic ray measurements on board Helios 1 from December 1974 to September 1975: Quiet time spectra, radial gradients, and solar events. J Geophys [Internet]. 1976Apr.8 [cited 2025Oct.16];42(1):615-31. Available from: https://journal.geophysicsjournal.com/JofG/article/view/183