Observer Variability in Estimating Numbers: an Experiment

Authors

R. Michael Erwin

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Recommended Citation

Erwin, R. Michael (1982) "Observer Variability in Estimating Numbers: an Experiment," Journal of Field Ornithology: Vol. 53 : Iss. 2 , Article 6.
Available at: https://digitalcommons.usf.edu/jfo/vol53/iss2/6