Article Title,Year,Volume,Issue,Page Range,Author Effect of the length of the work day on efficiency absenteeism and accidents,1963,152,,15-27,Hyska Control of chemical poisons in industry,1962,149,,1-128,Roubal The occupational medicine physician and problems with alcoholism and other drug addictions,1982,200,,99-102,Riesel Evaluation of hazards from ionizing radiation,1973,,175,1-139,Autorů