M. Esseling, V. Moshnyaga, K. Samwer, A. Marx, R. Gross: Low-frequency 1/f-noise in (La0.7Sr0.3MnO3)(0.95):(MgO)(0.05) nanocomposite films. 2005Applied Physics Letters: 87. ISBN 0003-6951 http://dx.doi.org/10.1063/1.2034117