Monitoring of air pollutants by plants : methods and problems : proceedings of the international workshop, Osnabrück (F.R.G.), September 24-25, 1981 / edited by L. Steubing and H.-J. Jäger. (Tasks for vegetation science ; 7)
Monitoring of air pollutants by plants : methods and problems : proceedings of the international workshop, Osnabrück (F.R.G.), September 24-25, 1981 / edited by L. Steubing and H.-J. Jäger.