The bering land bridge
Hopkins, David M [editor]
The bering land bridge - California : Stanford University press, 1967. - xiii, 495 p. ; 22 cm.
Includes index
Earth science
550 HOP
The bering land bridge - California : Stanford University press, 1967. - xiii, 495 p. ; 22 cm.
Includes index
Earth science
550 HOP