Here are entered general works on the monitoring of events from remote or secret locations by electronic means in the fields of law enforcement, criminal investigation, espionage, remote sensing for scientific purposes, etc
1
Naval art and science -- Signals : Short explanation of the sketch of the analytic universal nautical code of signals / By Count d'Escayrac de Lauture
1863
1
Signals -- Processing : Signals and systems / Alan V. Oppenheim, Alan S. Willsky, with S. Hamad Nawab
1997
1
Signalsubstanser. : Co-existence and co-release of classical neurotransmitters : ex uno plures / Rafael Gutiérrez, editor
Signes et symboles -- Dans l'art -- Thèmes, motives -- Index. : The English emblem tradition / edited by Peter M. Daly with Leslie T. Duer, Anthony Raspa ; co-editor for classics, Paola Valeri-Tomaszuk assisted by Rüdiger Meyer and Mary V. Silcox
c1998
1
Signes et symboles -- Histoire. : Early civilization and literacy in Europe : an inquiry into cultural continuity in the Mediterranean world / by Harald Haarmann
1996
1
Signes et symboles préhistoriques. : Homo symbolicus : the dawn of language, imagination and spirituality / edited by Christopher S. Henshilwood, Francesco d'Errico
2011
1
Signes et symptômes. : Practitioner's guide to symptom base rates in the general population / Robert J. McCaffrey [and others], editors
Here are entered works on devices, such as emblems, symbols or words, used to authenticate writings or documents --subdivision Seal under names of countries, cities, etc., and under names of individual persons and corporate bodies
Significado (aspectos filosóficos) : Natur, Technik, Geist : Kontexte der Natur nach Aristoteles und Descartes in lebensweltlicher und subjektiver Erfahrung / von Gregor Schiemann