The Ramsar convention manual a guide to the convention on wetlands (Ramsar, Iran, 1971).

Podrobná bibliografie
Médium:	Kniha
Jazyk:	English
Vydáno:	Gland Switzerland Ramsar Convention Bureau c1997
Vydání:	2nd ed.
Témata:	Manual. Conservation of wetland. Wetlands. Ramsar convention.