4Yossifova M, Valceva S, Djourova E. Mineralogy and environmental geochemistry of lagooned ashes resulted from combustion of Maritza East lignite,Bulgaria[J]. International Journal of Coal Geology,2007,71 : 287 -302.
5Singer A, Dultz S, Argaman E.Properties of the non-soluble fractions of suspended dust over the Dead Sea [J]. Atmospheric Environment, 2004,38:1745-1753.
6Querol x, ALastuey A, Lopez-soler A,et al.Mineral composition of atmospheric particulates around a large coal-fired power station [J]. Atmospheric Environment,1996, 30(21):3557-3572.
7Davis B LJixiang G.Airborne particulate study in five cities of China [J]. Atmospheric Environment;2000,34:2703-2711.
8Singer A, Ganor E, Dultz S, et al. Dust deposition over the Dead Sea [J]. Journal of Arid Environments, 2003,53:41-59.
