... (1) WH Urry, DJ Trecker, and HD Hartzler, Abstracts of Papers. 140th National Meeting of the American Chemical Society, Chicago, Ill., Sept., 1961, p. 75Q. ... (5) (a) C. H. Bamford and R. G. W. Norrish, J . Chem. Soc., 1531, 1544 (1938); (b) R. Cramer, J . Am. Chem. ...