Whale watching 2001 : worldwide tourism numbers, expenditures and expanding socioeconomic benefits
2001
Hoyt, Erich |
UNEP
Black Sea bibliography, 1974-1994
1995
Mamaev, V. O. |
Aubrey, D. G. |
Eremeev, V. N. |
South Pacific handbook of treaties and other legal instruments in the field of environmental law
1998
Kurukulasuriya, Lal |
Mouton, Bernard |
Cory, Clare |
Proposed protected areas in the circumpolar Arctic 1996
1996
Hansen, Jan-P. Huberth |
Manejo de reservas de la biosfera en America Latina
1994
Luz de la Maza, Carmen |
Areas silvestres protegidas y comunidades locales en America Latina
1994
Oviedo Carrillo, Gonzalo |
Sylva Charvet, Paola |