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- 89206803 contributor B6020069.
- 89206803 created "[1987?]".
- 89206803 date "1987".
- 89206803 date "[1987?]".
- 89206803 dateCopyrighted "[1987?]".
- 89206803 description "Includes bibliographical references (p. 89).".
- 89206803 extent "89 p. ;".
- 89206803 issued "1987".
- 89206803 issued "[1987?]".
- 89206803 language "spa".
- 89206803 publisher "Quito : Centro de Desarrollo del Ecuador,".
- 89206803 spatial "Ecuador.".
- 89206803 subject "363.7309866".
- 89206803 subject "Environmental law Ecuador.".
- 89206803 subject "Environmental protection Ecuador.".
- 89206803 subject "MLCM 94/16876 (T)".
- 89206803 subject "Pollution Environmental aspects Ecuador.".
- 89206803 title "Los Problemas de la contaminación ambiental en el Ecuador.".
- 89206803 type "text".