Reference
- 1941 . Committee on Apparatus in Aerobiology, National Research Council . Phytopathology , 31 ( No. 3 ) : 201 – 225 .
- Durham , O. C. 1942 . Airborne Fungus Spores as Allergens. . Aerobiology ,
- Leighton , P. A. , Perkins , W. A. , Grinnell , S. W. and Webster , F. X. 1965 . The Fluorescent Particle Atmospheric Tracer. . J. Appl. Meteor. , 4 ( No. 3 ) : 334 – 348 .
- Brown Malcolm , R. Jr. , Donald , A and LarsonHarold Bold , G. 1964 . Airborne Algae: Their Abundance and Hetereogeneity. . Science , 143 : 583 – 585 .
- McGovern , John , McThomas , P. , Elhenney , R. and Brown Malcolm , R. 1965 . Airborne Algae and Their Allergenicity—Part I. Air Sampling and Delineation of the Problem. . Ann. Allergy , 23
- Sheldon , J. M. and Hewson , E. W. 1959 . Atmospheric Pollution by Aeroallergens , University of Michigan . Progress Report No. 3, (Grant No. E-1379 (c) National Institute of Allergy and Infectious Diseases)