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- 89146993 contributor B5957144.
- 89146993 contributor B5957145.
- 89146993 created "1987.".
- 89146993 date "1987".
- 89146993 date "1987.".
- 89146993 dateCopyrighted "1987.".
- 89146993 extent "74, [61] p. ;".
- 89146993 issued "1987".
- 89146993 issued "1987.".
- 89146993 language "spa".
- 89146993 publisher "Quito : Fundación Natura, EDUNAT II,".
- 89146993 spatial "Ecuador Congresses.".
- 89146993 spatial "Ecuador".
- 89146993 subject "363.7/009866 20".
- 89146993 subject "Environmental protection Ecuador Congresses.".
- 89146993 subject "Pollution Ecuador Congresses.".
- 89146993 subject "TD171.5.E2 C66 1987".
- 89146993 title "Informe provisional / Primer Congreso Ecuatoriano del Medio Ambiente.".
- 89146993 type "text".