Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Skalstyrke-da#Sense
Eischaalkwaliteit-nl#Sense
Firmeza de la cáscara-es#Sense
Eierschalendicke-de#Sense
Shell strength-en#Sense
Robustezza del guscio-it#Sense
Solidité de la coquille-fr#Sense