1. H. Spitzer, A. Weller, Report KFA Jülich, SNQ1 NBH 22.05.84, 1984.
2. K. Boden, H. Spitzer, Addendum to KFA Report SNQ 1 NBH 22.05.84, 1984.
3. Radiation Effects in Rare-Earth Permanent Magnets
4. F. Cominckx, W. Naegele, M. Reinharz, H. Schoenbacher, P. Seraphin, CERN Report SPS 83-1, TIS-RP(IR/83-07), 1983.