Citation: Escamilla, R.; Akachi, T.; Marquina, M.L.; Gomez, R.; Marquina, V.; Ridaura, R. (2003). Effect of Fe substitution in the structure and superconducting properties of the (Y0.8 Pr0.2) Ba2 Cu4-x Fex O8 system. Physica C (Amsterdam), 385, pp. 373-382.