"2" . . . "Kevin J. Johnston" . . . "article scientifique publi\u00E9 en 2003"@fr . . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@nl . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@nl . . . . . . . . . . . . . . . . "wetenschappelijk artikel"@nl . . . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@en . . . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@nl . . . . . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@en . . . . . "2003-06-01T00:00:00Z"^^ . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@en . . "126-161" . "scholarly article by Kevin J. Johnston published in June 2003"@en . . . . . "10.1016/S0278-4165(03)00013-8" . "\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 \u0447\u0435\u0440\u0432\u043D\u0456 2003"@uk . "The intensification of pre-industrial cereal agriculture in the tropics: Boserup, cultivation lengthening, and the Classic Maya"@en . . "22" . .