(NgIGIENA UMSTWENNOGO TRUDA (B/s - (NaRNOLXDI(B, (NiOSIF aLEKSANDROWI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1960)
(NbEZ TIT(B. (NL(B.s
Keywords: (NgIGIENA UMSTWENNOGO TRUDAs; (NuMSTWENNYJ TRUD (B- (NgIGIENAs