Multi-point galactic cosmic ray measurements between 1 and 4.5 AU over a full solar cycle - Honig, T.; Witasse, O. G.; Evans, H.; Nieminen, P.; Kuulkers, E.; Taylor, M. G. G. T.; Heber, B.; Guo, J.; Sánchez-Cano, B. (Ann. Geophys., 2019)