TY - RPRT TI - Comment on "Proximity effect in YBa2Cu3O7/Y0.6Pr0.4Ba2Cu3O7/YBa2Cu3O7 junctions" AU - VG Kogan AU - AY Simonov PY - 1992 DO - 10.1103/physrevlett.68.2106 UR - https://pubmed.ncbi.nlm.nih.gov/10045308/ ID - 10045308 ER -