Kobayashi, M., Usuki, Y., Ishii, M., Yazawa, T., Hara, K., Tanaka, M., Nikl, M., Nitsch, K. Improvement in transmittance and decay time of PbWO4 scintillating crystals by La-doping. Tsukuba: KEK, 1997. In: National Laboratory for High Energy Physics. , s. 1-5.