1. N. Pyka, W. Reichardt, L. Pintschovius, A. Yu. Rumiantsev, N. L. Mitrofanov, and A. S. Ivanov, to published.
2. Proc. of the Int. Sem. on High Temp. Supercond.;Pintschovius,1990
3. Proceed. of the Int. Summer School on Neutron Scattering;Pyka,1990
4. Phonon density-of-states for high-T c (Y, RE) Ba2Cu3O7 superconductors and non-superconducting reference systems
5. L. Pintschovius, W. Reichardt, N. Pyka, and G. Erb, to be published