IATE-1247517

Subject Field	Subject Field/3606003
Is Reference of	Jordmagnetisk variation-sv#Sense
	Variation du champ magnétique de la terre-fr#Sense
	Variatie van de declinatie-nl#Sense
	Maan magneettikentän vaihtelut-fi#Sense
	Variación del campo magnético de la tierra-es#Sense
	Variação do campo magnético da Terra-pt#Sense
	Jordmagnetisk variation-da#Sense
	Erdmagnetische Variation-de#Sense
	Variation of the magnetic field of the earth-en#Sense