Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ausrichtung-de#Sense
Έρευνα-el#Sense
Exploratory development work-en#Sense
Trabalhos de reconhecimento-pt#Sense
Development work-en#Sense
Προπαρασκευαστικές ερευνητικές εργασίες-el#Sense
Tyrimo darbai-lt#Sense
Trabajos de reconocimiento-es#Sense
Travaux préparatoires au rocher-fr#Sense
Esplorazione-it#Sense