(德)古·夏尔克(Gustav Schalk)著 (德)古斯塔夫·夏尔克(Gustav Schalk)著 (德)古·夏尔克(G.Schalk)著 (德)古斯塔夫·施瓦布(Gustav schwab)著 (德)古·夏尔克(Schalk,G.)著