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Part 1: Coca cultivation in the Andean region. - 23 S.: graph. Darst., Kt., Tab.; Part 2: Bolivia Coca Cultivation Survey. - 67 S.: Ill., graph. Darst., Kt., Tab.; Part 3: Colombia Coca Cultivation Survey. - 96 S.: Ill., graph. Darst., Kt., Tab.; Part 4: Peru Coca Cultivation Survey. - 80 S.: Ill., graph. Darst., Kt., Tab
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