1
Sc, Y, La-Lu. Series E, E2a. Optical spectra of Ce-Lu Optical spectra of Nd /
Book
Other Personal Name(s): ...Bergmann, Hartmut...
2
Sc, Y, La-Lu : rare earth elements. C11B. Compounds with boron : system number 39 /
Book
Other Personal Name(s): ...Bergmann, Hartmut....