1
Quecksilber. Teil A, Lfg. 2. Elektrochemie, chemisches Verhalten, Legierungen : System-Nummer 34.
Book
Other Personal Name(s): ...Brennecke, Erna....
2
Actinium und Isotope (MsTh2) : System-Nummer 40.
Book
Other Personal Name(s): ...Brennecke, Erna....