Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Πιεζοηλεκτρισμός-el#Sense
Piezoelektriciteit-nl#Sense
Piézoélectricité-fr#Sense
Piezoelektrizitaet-de#Sense
Piezoelektricitet-da#Sense
Piezo-electricity-en#Sense
Piezoelettricità-it#Sense
Piezoelectricidad-es#Sense