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Lua i Stíl Chicago (17ú heag.)[her majestýs stationary office]. South Wales Constabulary: Codes of Practice ; for Drivers/riders of Police Vehicles and Incident Managers in Respect of Emergency Response an Pursuits. [London], 1990.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.