Abstract
References
1.
Gregory
P H
(1961 ) The Microbiology of the Atmosphere . London
2.
Hamilton
E D
(1959 ) Acta allerg., Kbh.
13 , 143
3.
Heald
(1938 ) Quoted by
Whittet
F W
(1952)In: U.S. Technical Conference on Air Pollution , 1950. New York
4.
Hirst
J M
(1952 ) Ann. appl. Biol.
39 , 257
5.
Hyde
H A
(1952 ) Acta allerg., Kbh.
5 , 98
6.
Hyde
H A
(1955 ) Proc. Linn. Soc. Lond.
165 , 107
7.
Maunsell
K
1954a ) Progr. Allergy
4 , 457
8.
Maunsell
K
1954b ) Int. Arch. Allergy, Basel
5 , 373
9.
Richards
M
(1954 ) J. Allergy
25 , 429
10.
Wright
J W
(1953 ) J. For.
51 , 114