1. The coagulation of smoke by supersonic vibrations;Andrade E.N. da;Trans. Faraday Soc.,1936
2. Schwebstoffe im Schallfeld;Brandt;Z. Phys.,1937
3. Sound Pulse Cleans Foul Air,1970
4. The Mechanics of Aerosol;Fuchs,1964
5. Advanced Calculus for Application;Hildebrand,1962