参考文献

Van Eis, Maurice J.; Seiler, Paul; Muslinkina, Liya A.; Badertscher, Martin; Pretsch, Ernoe; Diederich, Francois; Alvarado, Robert J.; Echegoyen, Luis; Nunez, Ignacio Perez Helvetica Chimica Acta, 2002 , vol. 85, # 7 p. 2009 - 2055