TY  - JOUR
AU  - Yu. P. Bulashevich
TI  - Secular variations of geomagnetic field and the classification of magnetic anomalies
JO  - Doklady Akademii Nauk
PY  - 1974
SP  - 313
EP  - 315
VL  - 216
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a19/
LA  - ru
ID  - DAN_1974_216_2_a19
ER  -