1. H. Rosen, E.M. Engler, T.C. Strand, V.Y. Lee, and D. Bethune, to be published.
2. Z.V. Popovic´, C. Thomsen, M. Cardona, R. Liu, G. Stanisic´, and W. Ko¨nig, Solid State Commun., in print.
3. Raman spectroscopy and normal-mode assignments forBa2MCu3Ox(M=Gd,Y) single crystals
4. Raman Scattering in Single Crystal Ba2YCu3Oy
5. R. Liu, C. Thomsen, W. Kress, M. Cardona, B. Gegenheimer, F.W. de Wette, J. Prade, and U. Schro¨der, Phys. Rev. B, in print.