1. Yackel and Kenyon (W.O.).J. Amer. Chem. Soc.1942, 64, 121.
2. Unruh and Kenyon (W.O.).Ibid.1942, 64, 127.
3. Taylor, Fowler, McGee and Kenyon (W.O.).Ibid.1947, 69, 342.
4. McGee, Fowler and Kenyon (W.O.).Ibid.1947, 69, 347.
5. Unruh, McGee, Fowler and Kenyon (W.O.).Ibid.1947, 69, 349.