HYPERFINE STRUCTURE INVESTIGATIONS IN Os I AND Eu II AND THE NUCLEAR QUADRUPOLE MOMENTS OF 189Os 151Eu AND 153Eu G. GUTHÖHRLEIN, G. HIMMEL et A. STEUDEL J. Phys. Colloques, 30 C1 (1969) C1-66-C1-73 DOI: 10.1051/jphyscol:1969122