Conclusions and draft recommendations of the Workshops on Critical Levels for Forests, Crops and Materials and on Critical Loads for Sulphur and Nitrogen.
1988
Полное описание
Условное обозначение[E/ECE/]EB.AIR/R.30
ЗаглавиеConclusions and draft recommendations of the Workshops on Critical Levels for Forests, Crops and Materials and on Critical Loads for Sulphur and Nitrogen.
Название заседания
ДатаGeneva : UN, 20 June 1988.
Описание
26 p. : graph, tables