Dataset referencing 1978BU12
Z.Phys. A286, 125 (1978)
S.Buttgenbach, R.Dicke, H.Gebauer, R.Kuhnen, F.Traber
Hyperfine Structure of Seven Atomic Levels of 91Zr and the 91Zr Nuclear Electric Quadrupole Moment
NUCLEAR MOMENTS 91Zr; measured hfs; deduced quadrupole moment.