TY  - JOUR 
T1  - Downward longwave radiation estimates for clear-sky conditions over northeast Brazil
JO  - Revista Brasileira de Meteorologia
A1  - Santos, Carlos Antonio Costa dos
A1  - Silva, Bernardo Barbosa da
A1  - Rao, Tantravahi Venkata Ramana
A1  - Satyamurty, Prakki
A1  - Manzi, Antonio Ocimar
SN  - 0102-7786
UL  - 10.1590/S0102-77862011000300010
VL  - 26 
Y1  - 2011
PB  - Brazil 
ER  -