. . . . . . . . . "617-625" . . . . . . . "im Dezember 2000 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . . "Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration"@en . . . . "Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration"@en . "art\u00EDculu cient\u00EDficu"@ast . . . "2000-12-01T00:00:00Z"^^ . "scholarly article by Iso Christl et al published December 2000 in European Journal of Soil Science"@en . . . . . "Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration"@en . "\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 \u0433\u0440\u0443\u0434\u043D\u0456 2000"@uk . "10.1046/J.1365-2389.2000.00352.X" . "Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration"@en . "51" . "4" .