Wang, Lijuan J.; Grapperhaus, Margaret L.; Pitzele, Barnett S.; Hagen, Timothy J.; Fok, Kam F.; Scholten, Jeffrey A.; Spangler, Dale P.; Toth, Mihaly V.; Jerome, Gina M.; Moore, William M.; Manning, Pamela T.; Sikorski, James A. Heteroatom Chemistry, 2002, vol. 13, # 1 p. 77 - 83 doi: 10.1002/hc.1109