1
Be : beryllium. Supplement vol. D1, 1. Coordination compounds : system number 26 /
Book
...CBA - Gmelin handbook...
2
Ga : gallium. Supplement vol. C2 : system number 36.
Book
...CBA - Gmelin handbook...
3
U : uranium. Supplement vol. D6. Chemistry in nonaqueous solutions (formation of complexes and redox reactions) : system number 55.
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4
Ga : gallium. Supplement vol. D1, 1. Coordination compounds : system number 06.
Book
...CBA - Gmelin handbook...