Guinée : bibliographie commentée
1993
Hue, Pascal |
Bibliographies
Rwanda : bibliographie commentée
1993
Hue, Pascal |
Canada - United States boundary area : reference list
1968
Shields, J. E. |
Nongovernmental organizations and natural resource management in Africa : a literature review
1992
Ramanathan, T. R. |
Annotated bibliography : value of environmental protection and restoration
1993
Klein, Victoria |
Saggio di bibliografia scientifica sul Parco Nazionale d'Abruzzo
1962
Saltarelli, Francesco |