Compounds of silicon and homologues, 145. - Supersilyl Compounds of boron and homologues, 14. On the gallanyls R*3Ga2.bul. and R*4Ga3.bul. as well as gallanides R*3Ga2- and R*4Ga3- (R* = SitBu3) - syntheses, characterization, structures. European Journal of Inorganic Chemistry, 7:1719--1727, 2001. [PUMA: cluster crystal gallanide gallanide;gallium gallanide;supersilyl gallanyl prepn reaction reaction;mol structure supersilyl trinuclear]