Annual variation in the antirachitic radiation from sun and sky in Baltimore

被引:9
作者
Clark, JH [1 ]
机构
[1] Johns Hopkins Univ, Sch Hyg & Publ Hlth, Dept Physiol Hyg, Baltimore, MD USA
来源
AMERICAN JOURNAL OF HYGIENE | 1930年 / 12卷 / 03期
关键词
D O I
10.1093/oxfordjournals.aje.a115296
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
引用
收藏
页码:690 / 695
页数:6
相关论文
共 3 条
[1]   The zinc sulphide method of measuring ultra-violet radiation and the results of a year's observations on Baltimore sunshine [J].
Clark, JH .
AMERICAN JOURNAL OF HYGIENE, 1929, 9 (03) :646-662
[2]  
COBLENTZ, 1929, BUR STANDARDS J RES, V3, P629
[3]   Note on observation of ultra-violet radiation of sun and sky measured by the zinc sulphide method in Boulder, Colorado [J].
Earp, JR .
AMERICAN JOURNAL OF HYGIENE, 1929, 9 (03) :663-665