||Air Conservation. Volume 7, Number 2(34), 1973.
||Environmental Protection Agency, Washington, D.C.;National Science Foundation, Washington, D.C. Special Foreign Currency Science Information Program.
Air pollution ;
Dust filters ;
Climatic changes ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
;Contents: The effect of atmospheric pollution on climatic changes of the globe; Measurements of dust density at its small amounts by means of an air pycnometer; Nomograms for the calculation of pollution dissemination; Sprayed dust collecting column with a 'polpak' filling; Preliminary results of tests on pollution of atmospheric air in Torun during the period 1969-1972.