Citation: Xu, Y.; Suenaga, M.; Moodenbaugh, A.R.; Sabatini, R.L.; Tafto, J. (1989). Microstructure, lattice parameters, and superconductivity of Y Ba2 (Cu1-x Fex)3 O7-delta for 0<= x<= 0.33. Physical Review, Serie 3. B - Condensed Matter (18,1978-), 39, pp. 6667-6680.