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Pollinators in High-Elevation Ecosystems: Relative Effectiveness of Birds and Bees

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Science  30 Jun 1972:
Vol. 176, Issue 4042, pp. 1439-1440
DOI: 10.1126/science.176.4042.1439

Article Information

vol. 176 no. 4042 1439-1440

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  1. Robert W. Cruden1
  1. 1Botany Department, University of Iowa, Iowa City 52240

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