TY - JOUR TI - Unusually strong coherent response from grain-boundary Josephson network in polycrystalline 'Pr IND.x''Y IND.1-x''Ba IND.2''Cu IND.3''O IND.7-'delta'' PY - 2009 AU - Rivera, V. A. G. AU - Sergeenkov, S. AU - Cichetto Júnior, L. AU - Stari, C. AU - Cardoso, C. A. AU - Marega Júnior, Euclydes AU - Moreira, F. M. Araújo T2 - JETP Letters SN - 0021-3640 DO - 10.1134/S0021364009170111 UR - https://doi.org/10.1134/S0021364009170111 PP - Moscow VL - 90 IS - 5 SP - 365-369 VL - No 2009 ER -