Dostupnost

Evropská komise. Environment Directorate-General. Reference levels for workplaces processing materials with enhanced levels of naturally occurring radionuclides: a guide to assist implementation of Title VII of the European Basic Safety Standards Directive (BSS) concerning natural radiation sources. Luxembourg: Office for Official Publications of the European Communities, 1999. 35 s. Radiation protection; 95. ISBN 92-828-6616-5.

(1999). Reference levels for workplaces processing materials with enhanced levels of naturally occurring radionuclides: A guide to assist implementation of Title VII of the European Basic Safety Standards Directive (BSS) concerning natural radiation sources. Luxembourg: Office for Official Publications of the European Communities.

Reference Levels for Workplaces Processing Materials With Enhanced Levels of Naturally Occurring Radionuclides: A Guide to Assist Implementation of Title VII of the European Basic Safety Standards Directive (BSS) Concerning Natural Radiation Sources. Luxembourg: Office for Official Publications of the European Communities, 1999.

Reference Levels for Workplaces Processing Materials With Enhanced Levels of Naturally Occurring Radionuclides: A Guide to Assist Implementation of Title VII of the European Basic Safety Standards Directive (BSS) Concerning Natural Radiation Sources. Luxembourg: Office for Official Publications of the European Communities, 1999.