https://catalogue-scientifique.canada.ca/record=3712581~S6*frc
Rechercher International Cooperative Programme on Effects of Air Pollution and Other Stresses on Crops and Non-wood Plants; Rechercher United Nations. Economic Commission for Europe; Rechercher Convention on Long-range Transboundary Air Pollution. Working Group on Effects; Rechercher Institute of Terrestrial Ecology. Bangor Research Unit
s.n.
Périodique (revue)