Cite

    Peter Stacey et al.. “Determination of respirable-sized crystalline silica in different ambient environments in the United Kingdom with a mobile high flow rate sampler utilising porous foams to achieve the required particle size selection.” Atmospheric environment, vol. 182, 2018, pp. 51–57. http://access.bl.uk/ark:/81055/vdc_100060492491.0x000017