TY  - JOUR 
T1  - The formal equations of the low latitude lower ionosphere and their applications
JO  - Revista Brasileira de Geofísica
A1  - Zamlutti, Carlos José
SN  - 0102-261X
UL  - 10.1590/S0102-261X2005000200001
VL  - 23 
Y1  - 2005
PB  - Brasil 
ER  -