6Jo Wan-Kuen, Park Jung-Hoon, Chun Hee-Dong. Photocatalytic destruction of VOCs for in-vehicle air cleaning. Journal of Photochemistry and Photobiology A : Chemistry, 2002, 148 :109 - 119.
7Zhao Juan, Yang Xudong. Photocatalytic oxidation for indoor air purification: A literature review. Building and Environment, 2003, 38:645 - 654.
8Richardson G, Harwood G J, Eick S A, et al. Reduction of fine airborne particulates( PM3 ) in a small city centre ofrice, by altering electrostatic forces. The Science of the Total Environment, 2001, 269:145 - 155.
9Niu J L, Tung T C W, Burnett J. Quantification of dust removal and ozone emission of ionizer air-cleaners by chamber testing. Journal of Electrostatics, 2001, 51/52:2024.
10Yan Keping, Hui Hexing, Cui Mi, et al. Corona induced non-thermal plasma: Fundamental study and industrial applications. Journal of Electrostatics, 1998, 44:17 - 39.