Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Prova di durabilità in substrato-it#Sense
Jordbundstest-da#Sense
Essai sur sol-fr#Sense
Soil-block test-en#Sense
Πείραμα επί του εδάφους-el#Sense
Ensayo en tierra-es#Sense
Erde-Klötzchenversuch-de#Sense
Ensaio em terra-pt#Sense