[RIVER PROTECTION AGAINST POLLUTION CAUSED BY THE OPERATION OF EASTERN SLOVAKIA IRON AND STEEL WORKS].
D003604:Czechoslovakia; D004787:Environmental Pollution; D007501:Iron; D008670:Metals; D009787:Occupational Medicine; D045483:Rivers; D018154:Slovakia; D013232:Steel; D014876:Water Pollution
D008670:Metals; D013232:Steel; D007501:Iron
CZECHOSLOVAKIA; INDUSTRIAL MEDICINE; METALS; WATER POLLUTION
OCHRANA POVRCHOV'YCH TOKOV PRED ZNE CISTENIM PREV'ADZHOU V'YCHODOSLOVENSKYCH ZELEZIARN'I.