Citation: Hj. Brandt et Hh. Otto, SYNTHESIS AND CRYSTAL-STRUCTURE OF CU-6[GE6O18]CENTER-DOT-6 H2O, A DIOPTASE-TYPE CYCLO-GERMANATE, Zeitschrift fur Kristallographie, 212(1), 1997, pp. 34-40
Citation: Hh. Otto et Hj. Brandt, CRYSTAL-STRUCTURE OF PB-6[GE6O18]CENTER-DOT-2H(2)O, A LEAD CYCLO-GERMANATE SIMILAR TO THE MINERAL DIOPTASE, European journal of mineralogy, 8(2), 1996, pp. 301-310
Citation: Hh. Otto et al., FURTHER EVIDENCE FOR TL3-BASED SUPERCONDUCTORS FROM IMPROVED BOND STRENGTH PARAMETERS INVOLVING NEW STRUCTURAL DATA OF CUBIC TL2O3( IN TL), Physica. C, Superconductivity, 215(1-2), 1993, pp. 205-208