IATE-120921

Instance of: http://www.w3.org/2004/02/skos/core#Concept

Subject Field	Subject Field/52
Is Reference of	Photoperiode-de#Sense
	Φωτοπερίοδος-el#Sense
	Photoperiod-en#Sense
	Fotoperiode-nl#Sense
	Fotoperiode-da#Sense
	Fotoperiodo-it#Sense
	Fotoperíodo-es#Sense
	Photopériode-fr#Sense
	Fotoperíodo-pt#Sense