CJCU
The Synthesis and Structure of Pyrazine Bridged Heteronuclear compound[(NH3)5Co(C4H4N2)Ag(H2O)2(C4H4N2)Co(NH3)5](NO3)7·4H2O
Xu Bing, Chen Dong, Tang Wen-xia, Yu Kai-bei, Zhou Zhong-yuan
Chem. J. Chinese Universities . 1991, (1): 13 -15 .