"Diversité biologique Conservation." . . "Naturschutz." . . "Naturschutz Umweltschutz." . . "Natuurbehoud." . . "Ressources génétiques." . . . . . . . . "Kongress" . . . . . . . . . "Conservation for the Twenty-first century" . . . . . . . . . . . . . . "Conservation for the twenty-first century" . "Conservation for the twenty-first century"@en . . . . . . . . . . . . . "Conservation for the 21st century"@en . . . . . "Conservation for the twenty-first century : [selected papers from a conference held in New York, Oct. 19-22 1986]" . "Milieubeleid." . . . . "Przyroda ochrona 21 w." . . "Natura Protecció." . . "Nature Conservation Congrès." . . "environnement - protection [études diverses]" . . "Oxford University Press." . . "Nature Protection." . . "Prognose 2100" . . "Kongress." . . "varstvo narave zaščita divjine populacije naravni viri biološki minimum nosilnost okolja zaščita genomov zaščita vrst populacijska genetika evolucija zgodovina življenja pestrost ekosistemov naravni parki." . . "Nature Conservation." . . "Natureza (conservacao e manejo)" . .