[Development of emission control in comparable industrial districts in the Hungarian People's Republic and East Germany].
D000395:Air Pollutants, Occupational; D000397:Air Pollution / Q000517:prevention & control*; D005859:Germany, East; D006801:Humans; D006814:Hungary
D000395:Air Pollutants, Occupational
Entwicklung der Immissionskontrolle in vergleichbaren Industriebezirken der Ungarischen Volksrepublik und der DDR.