| THE EVOLUTION OF HELPING .1. AN ECOLOGICAL CONSTRAINTS MODEL |
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| Author(s): EMLEN ST |
| Source: AMERICAN NATURALIST Volume: 119 Issue: 1 Pages: 29-39 Published: 1982 |
| Times Cited: 383 References: 41 |
| Document Type: Article |
| Language: English |
Addresses:
1. CTR ADV STUDY BEHAV SCI, STANFORD, CA 94305 USA |
| Publisher: UNIV CHICAGO PRESS, 5720 S WOODLAWN AVE, CHICAGO, IL 60637 |
| Subject Category: Ecology; Evolutionary Biology |
| IDS Number: MY093 |
| ISSN: 0003-0147 |