1. et al. The Clearance of Radioactive Particles From the Human Lung Second International Symposium on Inhaled Particles and Vapours Second International Symposium on Inhaled Particles and Vapours Cambridge England Second International Symposium on Inhaled Particles and Vapours Cambridge England September 27-October 1 1965 Davies C. N. Pergamon Press New York 1966 in
2. Morrow, P.E. and Gazioglu, K. The Clearance of Dust From the Lower Respiratory Tract of Man: An Experimental Study. Second International Symposium on Inhaled Particles and Vapours. 1965, Cambridge, England. Edited by: Davies, C.N. New York: Pergamon Press. in, September 27 to October 1