Hayashi, Yoshihito; Kayatani, Takayuki; Sugimoto, Hideki; Suzuki, Masatatsu; Inomata, Katsuhiko; Uehara, Akira; Mizutani, Yasuhisa; Kitagawa, Teizo; Maeda, Yonezo Journal of the American Chemical Society, 1995 , vol. 117, # 45 p. 11220 - 11229