"13" . . "Nitrogen limitation on land and in the sea: How can it occur?"@en . "Nitrogen limitation on land and in the sea: How can it occur?"@nl . . "Nitrogen limitation on land and in the sea: How can it occur?"@en . . . . "Nitrogen limitation on land and in the sea: How can it occur?"@nl . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 1991"@uk . . . "Nitrogen limitation on land and in the sea: How can it occur?"@nl . . "1981977817" . "art\u00EDculu cient\u00EDficu"@ast . "10.1007/BF00002772" . . "\u0D32\u0D47\u0D16\u0D28\u0D02"@ml . . "1991-01-01T00:00:00Z"^^ . . "article"@en . . . "Nitrogen limitation on land and in the sea: How can it occur?"@en . "RobertW. Howarth" . "article scientifique publi\u00E9 en 1991"@fr . . . . . . . . "PeterM. Vitousek" . "2" . "im Jahr 1991 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "wetenschappelijk artikel"@nl . "Nitrogen limitation on land and in the sea: How can it occur?"@en . . .