UNESCO

Marine protected areas and biosphere reserves : towards a new paradigm. Proceedings of a workshop

1994 Brunckhorst, David |

Environmental management in developing countries, vol.2 : waste management

1995 Kluge, Heiner | Bittner, Alfred | Hohnholz, Jürgen H. |

Environmental management in developing countries, vol. 1 : water management

1994 Kluge, Heiner | Bittner, Alfred | Hohnholz, Jürgen H. |

Scientific problems of the humid tropical zone Deltas and their implications, proceeding of the Dacca Symposium

1966

Climate change : science, impacts and policy

1991 Jäger, J. | Ferguson, H. L. |

Biosphere reserves : the theory and the practice

1993

Diagnostic de l'état de l'environnement aux Comores

1993

Management planning considerations for the Simen Mountain national park and proposals for the integrated rural development of the Simen highlands

1983

Mission terre au secours de la planète : "Action 21" pour les jeunes

1994

Plan de manejo y desarrollo del monumentos nacional Ruinas de Copán : sitio de Patrimonio Cultural Mundial

1984 Barborak, James R. | Morales, Róger | MacFarland, Craig |

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