参考文献

S: SVol.4a/b, 1.1.4.8, page 23 - 25 in: W. Foerst, Ullmanns Encyklopaedie der technischen Chemie, 3rd Ed., Vol. 15, Muenchen-Berlin 1964, pp. 532/55 Kirk-Othmer Encycl. Chem. Technol. 2nd Ed. 4 (1964) 373/4