%0 Journal Article %A Antonius G. B. M Sasse %A Ashok J Gadgil %A William W Nazaroff %B Journal of Aerosol Science %D 1994 %G eng %N 4 %P 689 - 697 %R 10.1016/0021-8502(94)90010-8 %T On the Measurement of 218Po Diffusivity Using the Two-Filter Method %V 25 %8 06/1994 %! Journal of Aerosol Science