IATE-1372391

Subject Field	unknown
Is Reference of	Positieve halve golf-nl#Sense
	Positive Halbschwingung-de#Sense
	Alternanza positiva-it#Sense
	Positive half-wave-en#Sense
	Θετικό ήμισυ κύματος-el#Sense
	Positiv halvbølge-da#Sense
	Alternância positiva-pt#Sense
	Alternancia positiva-es#Sense
	Positiivinen puoliaalto-fi#Sense
	Positiv halvvåg-sv#Sense
	Alternance positive-fr#Sense