Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Resistenza dei materiali-it#Sense
Theory of strength of materials-en#Sense
Résistance des matériaux-fr#Sense
Sterkteleer-nl#Sense
Strength of materials-en#Sense
Festigkeitslehre-de#Sense