1. A review of ethylene oxide condensation with relation to surface-active agents
2. Griffin , W. C. Atlas Powder 1945
3. Hahn , F. J. Abstracts of Papers 9P, Division of Organic Coatings and Plastic Chemistry 139th Meeting ACS, St. Louis, Mo. 1961 214
4. Hilliard , D. A. R. E. Srail Ibid. 9P