Leonardo Sagnotti, Giancarlo Scardia, Biagio Giaccio, Joseph C. Liddicoat, Sebastien Nomade, Paul R. Renne, Courtney J. Sprain; (21 Temmuz 2014). "Extremely rapid directional change during Matuyama-Brunhes geomagnetic polarity reversal". Geophys. J. Int. 199 (2). ss. 1110-1124. Bibcode:2014GeoJI.199.1110S. doi:10.1093/gji/ggu287.KB1 bakım: Birden fazla ad: yazar listesi (link)
Leonardo Sagnotti, Giancarlo Scardia, Biagio Giaccio, Joseph C. Liddicoat, Sebastien Nomade, Paul R. Renne, Courtney J. Sprain; (21 Temmuz 2014). "Extremely rapid directional change during Matuyama-Brunhes geomagnetic polarity reversal". Geophys. J. Int. 199 (2). ss. 1110-1124. Bibcode:2014GeoJI.199.1110S. doi:10.1093/gji/ggu287.KB1 bakım: Birden fazla ad: yazar listesi (link)