1. K. Wagner, H. Lutgemeier, W. Zinn, R. Gerhardt, H. Dotsch, M. Kucera, J. Englich, K. Nitsch, P. Novák
    Influence of impurities and defects on the nuclear relaxatiion in YIG films.
    Journal of Magnetism and Magnetic Materials 161 (1996) 57-64.