Long-term evolution of the heliospheric magnetic field inferred from cosmogenic 44Ti activity in meteoritesS. Mancuso, C. Taricco, P. Colombetti, S. Rubinetti, N. Sinha and N. BhandariA&A, 610 (2018) A28DOI: https://doi.org/10.1051/0004-6361/201730392