Intensity oscillations observed with Hinode near the south pole of the Sun: leakage of low frequency magneto-acoustic waves into the solar coronaA. K. Srivastava, D. Kuridze, T. V. Zaqarashvili and B. N. DwivediA&A, 481 3 (2008) L95-L98DOI: https://doi.org/10.1051/0004-6361:20079328