1. Addition of Hydrogen Cyanide to Unsaturated Compounds
2. W. C. Drinkard,Jr., Belg. Pat. 698,333, November 13 (1967).
3. W. C. Drinkard Jr. and R. V. Lindsay, Belg. Pat. 698,333, November 13 (1967).
4. W. C. Drinkard Jr. and R. V. Lindsay, U.S. Pat. 3,496,215, February 17 (1970).
5. W. C. Drinkard Jr. and R. V. Lindsay, U.S. Pat. 3,496,215, February 17 (1970).