Nature 332, 206 (17 March 1988); doi:10.1038/332206a0

One source not many

Eric Delson

Professor of Anthropology at Lehman College and the Graduate School, City University of New York and is in the Department of Vertebrate Paleontology at the American Museum of Natural History, New York, New York 10024, USA.

References

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5.	Vawter, L. & Brown, W.E. Science 234, 194−196 (1986). | PubMed | ChemPort |