1. Am. Soc. Testing Materials, Proc.,51, 395–397 (1951).
2. Harris, J. C., “Metal Cleaning Bibliographical Abstracts,” ASTM Special Publications, Nos. 90 and 90-A, 1949 and 1950.
3. Bureau of Ships Specification 51S46, “Soap: Salt-water, Bar Form,” Dec. 1, 1943.
4. Federal Specification P-C-431, “Cleaner: for Painted Surfaces,” April 17, 1947.
5. Harris, J. C., Sullivan, M. R., and Kamp, R. E., Soap,26, (7), 32–35 (1950).