TY - GEN A1 - Frenck, Hubert Joachim A1 - Georgiou, S. T1 - Thermal effusion mass spectroscopic characterization of bulk YBa2Cu3O7-d in comparision to BaCO3, Y2O3, CuO, BaO T2 - Surface Science Y1 - 1997 SN - 0039-6028 VL - 385 IS - 1 SP - 155 EP - 166 ER -