参考文献

Adonin, Nicolay Yu.; Babushkin, Dmitrii E.; Parmon, Valentin N.; Bardin, Vadim V.; Kostin, Gennadiy A.; Mashukov, Vasiliy I.; Frohn, Hermann-Josef Tetrahedron, 2008 , vol. 64, # 25 p. 5920 - 5924