Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Observation-de#Sense
Supraveghere-ro#Sense
Observation-da#Sense
Hemlig övervakning-sv#Sense
Covert surveillance-en#Sense
Sorveglianza discreta-it#Sense
Diskrēta novērošana-lv#Sense
Surveillance-en#Sense
Hemmelig overvågning-da#Sense
Niejawny nadzór-pl#Sense
Skryté sledovanie-sk#Sense
Παρακολούθηση-el#Sense
Supraveghere discretă-ro#Sense
Jälgimine-et#Sense
Sekimas-lt#Sense
Slaptas sekimas-lt#Sense
Novērošana-lv#Sense
Slepena novērošana-lv#Sense
Observation-fr#Sense
Leplezett figyelés-hu#Sense
Obserwacja-pl#Sense
Tajné sledovanie-sk#Sense
Sledovanie-sk#Sense
Vigilância discreta-pt#Sense
Megfigyelés-hu#Sense
Övervakning-sv#Sense
Varjatud jälgimine-et#Sense
Peitetoimina suoritettava tarkkailu-fi#Sense
Surveillance discrète-fr#Sense
Observatie-nl#Sense
Vigilancia-es#Sense
Osservazione-it#Sense
Faireachas-ga#Sense
Skjult overvågning-da#Sense
Supraveghere sub acoperire-ro#Sense
Vigilancia discreta-es#Sense
Diskret overvågning-da#Sense
Tajno opazovanje oziroma sledenje-sl#Sense
Schaduwen-nl#Sense
Discreet surveillance-en#Sense
Tajno opazovanje-sl#Sense
Tarkkailu-fi#Sense
Observation discrète-fr#Sense
Nadzór-pl#Sense
Undercover-overvågning-da#Sense