IATE-330405

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

Subject Field	unknown
Is Reference of	Photoperiodism-en#Sense
	Photoperiodismus-de#Sense
	Tageslängenaktion-de#Sense
	Fotoperiodismo-es#Sense
	Fotoperiodismo-it#Sense
	Photopériodisme-fr#Sense