参考文献

Storer, Richard; Ashton, Claire J.; Baxter, Anthony D.; Hann, Michael M.; Marr, Clara L. P.; Mason, Andrew M.; Mo, Chi-Leung; Myers, Peter L.; Noble, Stewart A.; Penn, Charles R.; Weir, Niall G.; Woods, Jacqueline M.; Coe, Paul L. Nucleosides and Nucleotides, 1999 , vol. 18, # 2 p. 203 - 216