[D. P. Nikolskii and his activities in the field of Russian industrial hygiene; 35th anniversary of his death].
D000846:Anniversaries and Special Events; D005006:Ethnicity; D049672:History, 19th Century; D049673:History, 20th Century; D016272:Occupational Health / Q000266:history*; D012426:Russia
BIOGRAPHIES; INDUSTRIAL HYGIENE/history
D. P. Nikol'skii, deiatel' otechestvennoi gigieny truda; k 35-letiiu so dnia smerti.