TY  - BOOK
AU  - McDonald, James E.
TI  - Cloudiness over the southwestern United States and its relation to astronomical observing
T2  - Scientific report
U1  - 551.5724 
PY  - 1958///
CY  - (Tucson)
PB  - University of Arizona. Institute of Atmospheric Physics
KW  - Meteorología
KW  - E.U.A
KW  - Nubes
KW  - Observaciones meteorológicas
ER  -