Harder; Wessig; Bendig; Stoesser
Journal of the American Chemical Society, 1999 , vol. 121, # 28 p. 6580 - 6588

Akiyama, Shuzo; Tajima, Kunihiko; Nakatsuji, Shin'ichi; Nakashima, Kenichiro; Abiru, Kazuko; Watanabe, Miwa
Bulletin of the Chemical Society of Japan, 1995 , vol. 68, # 7 p. 2043 - 2052