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Demonstrating unselfishness: They haven't done it yet

Published online by Cambridge University Press:  04 February 2010

Stephen C. Stearns
Stephen C. Stearns
Affiliation:
Zoology Institute, University of Basel, CH-4051 Basel, Switzerland
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Behavioral and Brain Sciences , Volume 12 , Issue 4 , December 1989 , pp. 722
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Copyright © Cambridge University Press 1989

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References

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