Bedwell, W. L.
The manufacture of cement and sulphuric acid from calcium sulphate / W. L. Bedwell] - New York : United Nations, 1971. - viii, 86 p. ; 24 cm.
Bibliography: p. 85-86.
76030869
Portland cement.
Sulfuric acid.
Calcium sulfate.
666.9 / UNM
The manufacture of cement and sulphuric acid from calcium sulphate / W. L. Bedwell] - New York : United Nations, 1971. - viii, 86 p. ; 24 cm.
Bibliography: p. 85-86.
76030869
Portland cement.
Sulfuric acid.
Calcium sulfate.
666.9 / UNM