1
Br : bromine. Supplement vol. B3. Compounds with fluorine and chlorine : system number 7.
Book
2
Br : bromine. Supplement vol. B2. Compounds with oxygen and nitrogen : system number 7.
Book
3
Br : bromine. Supplement vol. B1. Compouns with rare gases and hydrogen : system number 7.
Book
4
Brom : System-Nummer 7.
Book