TY  - BOOK
AU  - Bednorz, J.G
AU  - Muller, K.A
TI  - Earlier and recent aspects of superconductivity
T2  - Springer series in solid state science
SN  - 3540521569
U1  - 537.623, 
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
ER  -