TY  - GEN
AU  - Mendonça, A. A.
TI  - Analysis and interpretation of a transitory geomagnetic anomaly in the secular variation in the Iberian Peninsula and North Atlantic
T2  - SMN RT 309 MEM
VL  - 82
PY  - 1956///
CY  - Lisboa
PB  - SMN
KW  - GEOMAGNETISMO
ER  -