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Stockholm Conference

Gland, Switzerland | 31 Dec 1971 Literature

Charter for Nature

Gland, Switzerland | 31 Dec 1974 Literature

Conservation of the Himalayan region

Gland, Switzerland | 31 Dec 1977 Literature

Environmental effects of sulfur dioxide pollution

Gland, Switzerland | 31 Dec 1977 Literature

Environmental effects of acid rain and snow and other acid deposition

Gland, Switzerland | 31 Dec 1980 Literature

Introduction of carnivorous snails for biological control purposes

Gland, Switzerland | 31 Dec 1987 Literature

Mount Etna, Australia

Gland, Switzerland | 31 Dec 1987 Literature

Atmospheric pollution

Gland, Switzerland | 31 Dec 1983 Literature

New world screw worm in Libya

Gland, Switzerland | 31 Dec 1989 Literature

Introduction, Translocation and Re-introduction of Species

Gland, Switzerland | 31 Dec 1993 Literature