1. Abarca del Rio, R., Gambis, D., Salstein, D, Nelson, P., and Dai, A., Solar Activity and Earth Rotation Variability, J. Geodyn., 2003, vol. 36, pp. 423–443.
2. Alexandrescu, M., Gilbert, D., Hulot, G., Le Moul, J.-L., and Saracco, G., Worldwide Wavelet Analysis of Geomagnetic Jerks, J. Geophys. Res., 1996, pp. 21 975–21 994.
3. Bellanger, E. Gibert, D., and Le Mouël, J.-L., A Geomagnetic Triggering of Chandler Wobble Phase Jumps, Geophys. Res. Lett., 2002, vol. 29, no. 7. doi:10.1029/2001GL014253.
4. Chulliat, A. and Telali, K., World Monthly Means Data Base Project, Publ. Inst. Geophys. Pol. Acad. Sci., 2007, no. 398, p. 99.
5. Djuroviĉ, D. and Pâquet, P., The Common Oscillations of Solar Activity, the Geomagnetic Field and the Earth’s Rotation, Sol. Phys., 1996, vol. 167, pp. 427–439.