[Sanitary problems related to the construction of the Stalin Hydroelectric Station; sanitary problems in construction of socialism in Bulgaria].
D001203:Ascomycota; D002031:Bulgaria; D016272:Occupational Health; D012950:Socialism
INDUSTRIAL HYGIENE
Sanitarni problemi vuv stroezha na iazovir Stalin; sanitarni problemi na sotsialisticheskoto stroitelstvo u nas.