Journal of the American Chemical Society, Vol.127, No.45, 15682-15683, 2005
Electron-precise/deficient La(5-x)Ca(x)rGe4 (3.4 <= x <= 3.8) and Ce(5-x)Ca(x)rGe(4) (3.0 <= x <= 3.3): Probing low-valence electron concentrations in metal-rich Gd5Si4-type germanides