[Sanitary hygiene assessment of the electric and coal heating of long-distance passenger cars].
D003031:Coal; D004560:Electricity; D006361:Heating / Q000379:methods*; D011890:Railroads; D013696:Temperature; D014586:USSR
D003031:Coal
Sanitarno-gigienicheskaia otsenka élektrougol'nogo otopleniia passazhiskikh vagonov dal'nego sledovaniia.