Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Στρώμα αποστράγγισης-el#Sense
Capa de drenaje-es#Sense
Strato di drenaggio-it#Sense
Drainage layer-en#Sense
Dräneringsskikt-sv#Sense
Dræningslag-da#Sense
Couche de drainage-fr#Sense
Kuivatuskerros-fi#Sense
Camada de drenagem-pt#Sense
Drainageschicht-de#Sense
Drainagelaag-nl#Sense