TY  - BOOK
AU  - Benton,George Stock
TI  - Drought in the United States analyzed by means of the theory of probability,
T2  - U.S. Dept. of agriculture. Technical bulletin no. 819
AV  - S21 .A72 no. 819
U1  - 551.57 
PY  - 1942///]
CY  - Washington, D.C.
PB  - United States Dept. of agriculture
KW  - Droughts
KW  - United States
KW  - Meteorology
KW  - Periodicity
KW  - Periodicity in meteorology
KW  - Probabilities
KW  - Weather forecasting
N1  - Cover title; Contribution from Soil conservation service; "Literature cited": p. 62-63
ER  -