Lee, Gong Yeal; Xue, Ming; Kang, Myoung Soon; Kwon, Oh Chul; Yoon, Jin-San; Lee, Yoo-Su; Kim, Hoon Sik; Lee, Hyunjoo; Lee, Ik-Mo Journal of Organometallic Chemistry, 1998 , vol. 558, # 1-2 p. 11 - 18