TY  - GEN
AU  - Ferreira, H. Amorim
TI  - Frequency of thunderstorms in the continental territory of Portugal in Europe
T2  - SMN RT 124
VL  - 21
PY  - 1953///
CY  - Lisboa
PB  - SMN
KW  - FENOMENOS ELECTRICOS DA ATMOSFERA
KW  - IM
ER  -