TY  - RPRT
TI  - High-temperature superconductivity in a Y-Ba-Cu-based system without extraneous oxygen.
AU  - NA Khan
AU  - MZ Iqbal
AU  - N Baber
AU  - S Afzal
AU  - US Qurashi
AU  - G Afshan
AU  - M Mazhar
PY  - 1991
DO  - 10.1103/physrevb.43.13622
UR  - https://pubmed.ncbi.nlm.nih.gov/9997201/
ID  - 9997201
ER  -