"Magnetic correlations and superconductivity in La1.93Sr0.07CuO4 revealed by μSR"
K. Ishida, W. Higemoto, K. Ohishi, A. Koda, K.H. Satoh, R. Kadono, M. Fujita,and K. Yamada, Journal of Magnetism and Magnetic Materials 310, 526-528 (2007).