1.

G. Meyer, Th. Schleid, and K. Krämer
The Nature of PrCl2.3 Revisited
J. Less-Common Met. 149 (1989) 67 - 71.

2.

K. Krämer, Th. Schleid, and G. Meyer
Drei Bromide des Lanthans: LaBr2, La2Br5 und LaBr3
Z. Kristallogr. 189 (1989) 166 - 167.

3.

K. Krämer, Th. Schleid, M. Schulze, W. Urland, and G. Meyer
Three Bromides of Lanthanum: LaBr2, La2Br5 and LaBr3
Z. Anorg. Allg. Chem. 575 (1989) 61 - 70.

4.

S.H. Wang, S.M. Luo, H.A. Eick, K. Krämer, and G. Meyer
Cs3Tm2I9: Crystal Growth and Structure Determination
J. Less-Common Met. 155 (1989) 45 - 48.