Mathers, Frank C. (1910). "THE PREPARATION OF PERCHLORIC ACID FROM SODIUM PERCHLORATE.1". Journal of the American Chemical Society. 32 (1): 66–71. Bibcode:1910JAChS..32...66M. doi:10.1021/ja01919a004.
Mathers, Frank C. (1910). "THE PREPARATION OF PERCHLORIC ACID FROM SODIUM PERCHLORATE.1". Journal of the American Chemical Society. 32 (1): 66–71. Bibcode:1910JAChS..32...66M. doi:10.1021/ja01919a004.