. "H. L\u00F6tscher" . . . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@en . . . . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@en . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@en . . . . . "U. Siegenthaler" . "H. Friedli" . . . . . "10.1038/324237A0" . "B. Stauffer" . . . "237-238" . "H. Oeschger" . "wetenschappelijk artikel"@nl . "art\u00EDculu cient\u00EDficu"@ast . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@nl . . "6094" . . . . . . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@nl . . "1017382900" . . . . . . . . . . "im November 1986 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@en . "Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries"@nl . "article publi\u00E9 dans la revue scientifique Nature"@fr . . . "1986-11-01T00:00:00Z"^^ . "324" . . "\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 Nature \u0432 \u043B\u0438\u0441\u0442\u043E\u043F\u0430\u0434\u0456 1986"@uk . . . "scientific article published in Nature"@en . .