Schou, J. Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society;
Link (Any fulltext)
Howe, R., Christensen-Dalsgaard, J., Hill, F., Komm, R., Larson, T. P., Schou, J., et al. (2013). The torsional oscillation and the timing of the solar cycle: Is it maximum yet? In K. Jain, S. C. Tripathy, F. Hill, J. W. Leibacher, & A. A. Pevtsov (Eds.), Fifty Years of Seismology of the Sun and Stars (pp. 303-306). Orem, UT, USA: Astronomical Society of the Pacific.