Transient horizontal magnetic fields in solar plage regions R. Ishikawa, S. Tsuneta, K. Ichimoto, H. Isobe, Y. Katsukawa, B. W. Lites, S. Nagata, T. Shimizu, R. A. Shine, Y. Suematsu et al. (2 more) A&A, 481 1 (2008) L25-L28 Published online: 17 January 2008 DOI: 10.1051/0004-6361:20079022