University of Pennsylvania radiocarbon dates I.
| 1. Verfasser: |
Ralph, Elizabeth K.
|
|---|---|
| Ort/Verlag/Jahr: |
Washington, Wash,
1955.
|
| Umfang/Format: |
p. 149 - 151 : ill. ; xerox. |
| Enthalten in: |
Science, Vol. 121, no. 3136 (1955) |
