TY  - GEN
AU  - Mendes, Alfredo
AU  - Ananthakrishnan, S.
TI  - Phase and amplitude changes of VLF signals associated with PCA events, with reference to the south atlantic geomagnetic anomaly
KW  - GEOMAGNETISMO
KW  - INMG
KW  - 530
KW  - med
KW  - fre
ER  -