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Description: |
x, 298 pages : illustrations ; 27 cm |
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Bibliography Note: |
Includes bibliographical references and index. |
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Additional Physical Forms: |
Online version: Skutch, Alexander F. (Alexander Frank), 1904-2004. Helpers at birds' nests. 1st ed. Iowa City : University of Iowa Press, 1987 (OCoLC)763163961 |