Coexistence of long-ranged charge and orbital order and spin-glass state in single-layered manganites with weak quenched disorderR. Mathieu, J. P. He, X. Z. Yu, Y. Kaneko, M. Uchida, Y. S. Lee, T. Arima, A. Asamitsu and Y. TokuraEPL, 80 3 (2007) 37001DOI: https://doi.org/10.1209/0295-5075/80/37001