Collect. Czech. Chem. Commun.
     1938, 10, 20-31
  https://doi.org/10.1135/cccc19380020
  
A contribution to the volumetric estimation of calcium and magnesium
O. Pročke and J. Michal
First page
    
      Collect. Czech. Chem. Commun.
     1938, 10, 20-31
  https://doi.org/10.1135/cccc19380020