Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Oscillateur de Duffing-fr#Sense
Oscilador de Duffing-es#Sense
Ταλαντωτής Duffing-el#Sense
Duffing oscillator-en#Sense
Duffing-Oszillator-de#Sense
Oscillatore Duffing-it#Sense