RAADETS DIREKTIV af 4. december 1990 om straalebeskyttelse af eksterne arbejdstagere, der udsaettes for risici for ioniserende straaling under deres arbejde i et kontrolleret omraade (90/641/Euratom)
COUNCIL DIRECTIVE of 4 December 1990 on the operational protection of outside workers exposed to the risk of ionizing radiation during their activities in controlled areas (90/641/Euratom)