TEMAS RELEVANTES
AUTORES
FORMATOS
CRONOLOGICO
Towards a global terrestrial observing system (GTOS): detecting and monitoring change in terrestrial ecosystems / Heal, O. William, ed..Paris: UNESCO, 1993.
A guide to selected national environmental statistics in the US Government / Environmental Protection Agency. Office of Policy, Planning, and Evaluation.Washington: , 1993.
World map of present-day landscapes: an explanatory note / Miulanova, Elena V., ed.; Kushlin, Andrey V., ed..Moscow: PNUMA; Moscow State University. Department of World Geography and Geoecology, 1993.
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