W. Klose
Landolt-Börnstein : Nb-H...Nb-Zr, Nd...Np
Nb-Ar ... Nb-Ge
Superconductors Transition Temperatures and Characterization of Elements, Alloys and Compounds Vol. C
Transition Temperatures and Characterization of Elements and Compounds
Rechtsmedizin in Deutschland, Ost und West
Some applications of superconductivity