IATE-1476407

Subject Field	unknown
Is Reference of	Χρόνος διπλασιασμού-el#Sense
	Verdopplungszeit-de#Sense
	Verdubbelingstijd-nl#Sense
	Tempo di raddoppio-it#Sense
	Doubling time-en#Sense
	Tiempo de doblado-es#Sense
	Fordoblingstid-da#Sense
	Temps de doublement-fr#Sense