[PROVISIONAL METHODICAL INSTRUCTIONS FOR PERFORMING EXPERIMENTAL RESEARCH FOR DETERMINING THE MAXIMUM PERMISSIBLE CONCENTRATION OF POISONOUS SUBSTANCES IN THE AIR OF INDUSTRIAL ENTERPRISES].
D007221:Industry; D014586:USSR
USSR
REMENNYE METODICHESKIE UKAZANIIA K POSTANOVKE 'EKSPERIMENTAL'NYKH ISSLEDOVANI I DLIA USTANOVLENIIA PREDEL'NO DOPUSTIMYKH KONTSENTRATSI I VREDNYKH VESHCHESTV V VOZDUKHE PROIZVODSTVENNYKH POMESHCHENI I.