[HYGIENIC EXPERIENCES IN HEATING INDUSTRIAL PLANTS WITH GAS INFRARADIATORS].
D003604:Czechoslovakia; D006361:Heating; D009787:Occupational Medicine
CZECHOSLOVAKIA; HEATING; INDUSTRIAL MEDICINE
HYGIENICK'E ZKU SENOSTI S VYT'AP EN'IM PRUMYSLOV'YCH PROVOZOVEN PLYNO'YMI INFRAZ'A RI CI.