Dayan, Sharon; Bareket, Yifat; Rozen, Shlomo
Tetrahedron, 1999 , vol. 55, # 12 p. 3657 - 3664

Moriarty, Robert M.; Rani, Neena; Condeiu, Cristian; Duncan, Michael P.; Prakash, Om
Synthetic Communications, 1997 , vol. 27, # 18 p. 3273 - 3277