Lee, Jung Gyu; Choi, Kyung Il; Koh, Hun Yeong; Kim, Youseung; Kang, Yonghan; Cho, Yong Seo
Synthesis, 2001 , # 1 p. 81 - 84

Cmoch, Piotr; Stefaniak, Lech; Webb, Graham A.
Magnetic Resonance in Chemistry, 1997 , vol. 35, # 4 p. 237 - 242