SEARCH Articles Figures Tables Barium calcium copper strontium thallium Barium calcium magnesium strontium Barium-Calcium-Magnesium-Strontium glasses Beryllium barium calcium magnesium strontium Beryllium, Magnesium, Calcium, Strontium, Barium and Calcium, Strontium, and Barium Fourth group of cations barium, strontium, and calcium Promoted with Calcium, Strontium, or Barium Reactions with Calcium, Strontium, and Barium Salts of Magnesium, Calcium, Strontium, and Barium Strontium calcium