Synthesis and structure of α-B-Keggin type heteropoly complex K~5H [Co~4(VW~9O~3~3)~2]·5H~2O
Yang Qihua;Dai Huicong;Liu Jingfu;Zhu Zhiping;Xing Yan;Lin Yonghua;Jia Hengqing
Acta Chimica Sinica . 1998, (11): 1093 -1098 .