X.  Cao, Wang, N. , .Magdassi, S , Mandler, D. , and Long, Y. . 2014. ?Europium Doped Vanadium Dioxide Material: Reduced Phase Transition Temperature, Enhanced Luminous Transmittance And Solar Modulation?. Science Of Advanced Materials, 6, Pp. 558-561. doi:10.1166/sam.2014.1777.