Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Relealgebra-fi#Sense
Relay algebra-en#Sense
Contact-algebra-nl#Sense
Álgebra de relés-es#Sense
Relæalgebra-da#Sense
Άλγεβρα διακοπτών-el#Sense
Algebra a relé-it#Sense
Schaltalgebra-de#Sense
Reläalgebra-sv#Sense
Boolesche Algebra-de#Sense