Syntheses and Crystal Structures of the Complexes of rare Earth with Fumaric Acid
Ma Jian-Fang; Wei Ge-Cheng; Ni Jia-Zuan
Acta Phys. -Chim. Sin. . 1993, (06): 752 -759 .  DOI: 10.3866/PKU.WHXB19930607