参考文献

Maiereanu, Carmen; Darabantu, Mircea; Ple, Gerard; Berghian, Camelia; Condamine, Eric; Ramondenc, Yvan; Silaghi-Dumitrescu, Ion; Mager, Sorin Tetrahedron, 2002 , vol. 58, # 13 p. 2681 - 2693