Journal of Aerosol Science Journal of Aerosol Science, Vol.42, No.12 Entire volume, number list ISSN: 0021-8502 (Print) In this Issue (6 articles) 839 - 851 Modality of human expired aerosol size distributionsJohnson GR, Morawska L, Ristovski ZD, Hargreaves M, Mengersen K, Chao CYH, Wan MP, Li Y, Xie X, Katoshevski D, Corbett S 852 - 858 Particle impact theory including surface asperity deformation and recoveryQin ZH, Pletcher RH 859 - 866 Inter-comparison of optical absorption coefficients of atmospheric aerosols determined by a multi-wavelength photoacoustic spectrometer and an Aethalometer under sub-urban wintry conditionsAjtai T, Filep A, Utry N, Schnaiter M, Linke C, Bozoki Z, Szabo G, Leisner T 867 - 882 Measurements of pollen grain dispersal in still air and stationary, near homogeneous, isotropic turbulenceSabban L, van Hout R 883 - 897 Investigation of solid particle number measurement: Existence and nature of sub-23 nm particles under PMP methodologyZheng Z, Johnson KC, Liu Z, Durbin TD, Hu S, Huai T, Kittelson DB, Jung HS 898 - 908 Enhancement of collection efficiency of inertial impactors using elliptical concave impaction platesKim YJ, Yook SJ
