Cho, Byung Tae; Yang, Weon Ki; Choi, Ok Kyung
Journal of the Chemical Society, Perkin Transactions 1, 2001 , # 10 p. 1204 - 1211

Tae Cho, Byung; Kyu Kang, Sang; Hye Shin, Sung
Tetrahedron Asymmetry, 2002 , vol. 13, # 11 p. 1209 - 1217