TY  - BOOK
AU  - McDonald, James E.
TI  - Variability of precipitation in an arid region: : a survey of characteristics for Arizona
T2  - Technical reports on the meteorology and climatology of arid regions
U1  - 551.573 
PY  - 1956///
CY  - (Tucson)
PB  - University of Arizona. Institute of Atmospheric Physics
KW  - Lluvia
KW  - Medición
KW  - Regiones áridas
ER  -