Frequency of dry and desert years 1901-20
著者
書誌事項
Frequency of dry and desert years 1901-20
（University of California publications in geography, v. 5 ; no. 5 . Dry climates of the United States ; 2）
University of California Press, 1932
Frequency of dry and desert years 1901-20
（University of California publications in geography, v. 5 ; no. 5 . Dry climates of the United States ; 2）
University of California Press, 1932