[Study of air pollution by carbon monoxide in some transportation centers of Plovidiv].
D000397:Air Pollution; D002031:Bulgaria; D004781:Environmental Exposure; D001335:Vehicle Emissions
D001335:Vehicle Emissions
Izuchenie zagriazneniia okis'iu ugleroda atmosfernogo vozdukha v nekotorykh uzlovykh punktakh avtotransporta v Plovidive.