In defense of earth: International protection of the biosphere: by Lynton K. Caldwell. Indiana University Press,Bloomington, Indiana: x + 295 pp., 24 × 16 cm, $8.50, 1972 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

In defense of earth: International protection of the biosphere: by Lynton K. Caldwell. Indiana University Press,Bloomington, Indiana: x + 295 pp., 24 × 16 cm, $8.50, 1972

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