Gräf, Hans-Dieter and Döbert, S. and Eichhorn, R. and Genz, H. and Hahn, Rainer and Kostial, S. and Loos, H. and Richter, A. and Richter, S. (1998):
Operating experience with SC resonators at the S-DALINAC.
Darmstadt: Techn. Univ., FB 5, Inst. für Kernphysik, 1998,
Darmstadt, Techn. Univ., FB 5, Inst. für Kernphysik, 98/29, [Book]

Braun, Dietrich and Richter, S. and Hellmann, G. P. and Rätzsch, M. (1998):
Peroxy-initiated chain degradation, crosslinking and grafting in PP-PE blends.
In: Journal of applied polymer science. 68 (1998), S. 2019-2028, [Article]