Collect. Czech. Chem. Commun.
     1931, 3, 517-535
  https://doi.org/10.1135/cccc19310517
  
The anhydrous and the hydrated manganous sulphates. Part I
J. H. Křepelka and B. Rejha
First page
    
      Collect. Czech. Chem. Commun.
     1931, 3, 517-535
  https://doi.org/10.1135/cccc19310517