Ferromagenetic oxalate-bridged trinuclear Cu(Ⅱ)-Cr(Ⅲ)-Cu(Ⅱ) complexes
LIAO DAIZHENG;SHI JUAN;JIANG ZONGHUI;YAN SHIPING;WANG GENGLIN
Acta Chimica Sinica . 1994, (2): 171 -175 .