Collect. Czech. Chem. Commun.
1935, 7, 131-145
https://doi.org/10.1135/cccc19350131
Contribution à la connaissance des terres rares (Partie II)
J. S. Štěrba-Böhm and M. Melichar
Collect. Czech. Chem. Commun.
1935, 7, 131-145
https://doi.org/10.1135/cccc19350131