Citation: Carrillo-Cabrera, Wilder; Curda, Jan; Peters, Karl; Paschen, Silke; Grin, Yuri; von Schnering, Hans Georg (2001). Crystal structure of the chiral clathrate, Na~2~Ba~4~Ge~25~. Zeitschrift f\"ur Kristallographie - New Crystal Structures, 216, pp. 183-184.