Publication Details (including relevant citation information):  Weifeng Bu, Haolong Li, Wen Li, Lixin Wu*, Chunxi Zhai, Yuqing Wu, "Surfactant-Encapsulated Europium-Substituted Heteropolyoxotungstates: Structural Characterizations and Photophysical Properties", J. Phys. Chem. B 2004, 108, 12776-12782.  Weifeng Bu, Wen Li, Haolong Li, Lixin Wu*, Au-Chin Tang, "Surfactant-Encapsulated Polyoxometalloeuropate: Polarized Eu3+ Emission in the Highly Ordered Self-Organizing Film", J. Colloid Interface Sci. 2004, 274, 200-203.